1690676899137 has 8 divisors (see below), whose sum is σ = 2504706517280. Its totient is φ = 1127117932740.

The previous prime is 1690676899127. The next prime is 1690676899157. The reversal of 1690676899137 is 7319986760961.

It is not a de Polignac number, because 1690676899137 - 2¹⁴ = 1690676882753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1690676899127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31308831439 + ... + 31308831492.

It is an arithmetic number, because the mean of its divisors is an integer number (313088314660).

Almost surely, 2^{1690676899137} is an apocalyptic number.

It is an amenable number.

1690676899137 is a deficient number, since it is larger than the sum of its proper divisors (814029618143).

1690676899137 is an equidigital number, since it uses as much as digits as its factorization.

1690676899137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62617662940 (or 62617662934 counting only the distinct ones).

The product of its (nonzero) digits is 185177664, while the sum is 72.

The spelling of 1690676899137 in words is "one trillion, six hundred ninety billion, six hundred seventy-six million, eight hundred ninety-nine thousand, one hundred thirty-seven".