1699159449312 has 240 divisors, whose sum is σ = 5386764775392. Its totient is φ = 522314542080.

The previous prime is 1699159449287. The next prime is 1699159449473. The reversal of 1699159449312 is 2139449519961.

1699159449312 is a `hidden beast` number, since 1 + 6 + 9 + 9 + 1 + 594 + 4 + 9 + 31 + 2 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1699159449312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 35727693 + ... + 35775219.

Almost surely, 2^{1699159449312} is an apocalyptic number.

1699159449312 is a gapful number since it is divisible by the number (12) 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 1699159449312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2693382387696).

1699159449312 is an abundant number, since it is smaller than the sum of its proper divisors (3687605326080).

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

1699159449312 is a wasteful number, since it uses less digits than its factorization.

1699159449312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48623 (or 48606 counting only the distinct ones).

The product of its digits is 18895680, while the sum is 63.

The spelling of 1699159449312 in words is "one trillion, six hundred ninety-nine billion, one hundred fifty-nine million, four hundred forty-nine thousand, three hundred twelve".