1698870474090 has 64 divisors (see below), whose sum is σ = 4530709814400. Its totient is φ = 452993271552.

The previous prime is 1698870474089. The next prime is 1698870474097. The reversal of 1698870474090 is 904740788961.

1698870474090 is a `hidden beast` number, since 1 + 6 + 9 + 8 + 8 + 70 + 474 + 0 + 90 = 666.

It is a super-2 number, since 2×1698870474090² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1698870474097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2955346 + ... + 3483074.

It is an arithmetic number, because the mean of its divisors is an integer number (70792340850).

Almost surely, 2^{1698870474090} is an apocalyptic number.

1698870474090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1698870474090 is an abundant number, since it is smaller than the sum of its proper divisors (2831839340310).

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

1698870474090 is a wasteful number, since it uses less digits than its factorization.

1698870474090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539668 (or 539662 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 1698870474090 in words is "one trillion, six hundred ninety-eight billion, eight hundred seventy million, four hundred seventy-four thousand, ninety".