2690857691904 has 72 divisors (see below), whose sum is σ = 7163710937712. Its totient is φ = 896688885760.

The previous prime is 2690857691861. The next prime is 2690857691941. The reversal of 2690857691904 is 4091967580962.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2107894 + ... + 3134474.

It is an arithmetic number, because the mean of its divisors is an integer number (99495985246).

Almost surely, 2^{2690857691904} is an apocalyptic number.

2690857691904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2690857691904 is an abundant number, since it is smaller than the sum of its proper divisors (4472853245808).

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

2690857691904 is a wasteful number, since it uses less digits than its factorization.

2690857691904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030013 (or 1029999 counting only the distinct ones).

The product of its (nonzero) digits is 58786560, while the sum is 66.

The spelling of 2690857691904 in words is "two trillion, six hundred ninety billion, eight hundred fifty-seven million, six hundred ninety-one thousand, nine hundred four".