1699473856968 has 768 divisors, whose sum is σ = 5394314016000. Its totient is φ = 498886262784.

The previous prime is 1699473856961. The next prime is 1699473856979. The reversal of 1699473856968 is 8696583749961.

1699473856968 is a `hidden beast` number, since 1 + 6 + 9 + 9 + 47 + 3 + 8 + 569 + 6 + 8 = 666.

It is a super-2 number, since 2×1699473856968² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (81).

Its product of digits (4232632320) is a multiple of the sum of its prime divisors (540).

It is not an unprimeable number, because it can be changed into a prime (1699473856961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 5429628780 + ... + 5429629092.

It is an arithmetic number, because the mean of its divisors is an integer number (7023846375).

Almost surely, 2^{1699473856968} is an apocalyptic number.

1699473856968 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1699473856968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2697157008000).

1699473856968 is an abundant number, since it is smaller than the sum of its proper divisors (3694840159032).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1699473856968 is a wasteful number, since it uses less digits than its factorization.

1699473856968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 540 counting only the distinct ones).

The product of its digits is 4232632320, while the sum is 81.

The spelling of 1699473856968 in words is "one trillion, six hundred ninety-nine billion, four hundred seventy-three million, eight hundred fifty-six thousand, nine hundred sixty-eight".