2690609928188 has 96 divisors (see below), whose sum is σ = 6365393341440. Its totient is φ = 964551836160.

The previous prime is 2690609928187. The next prime is 2690609928229. The reversal of 2690609928188 is 8818299060962.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2690609928187) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8298353 + ... + 8616488.

It is an arithmetic number, because the mean of its divisors is an integer number (66306180640).

Almost surely, 2^{2690609928188} is an apocalyptic number.

2690609928188 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2690609928188 is an abundant number, since it is smaller than the sum of its proper divisors (3674783413252).

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

2690609928188 is a wasteful number, since it uses less digits than its factorization.

2690609928188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16914907 (or 16914905 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 68.

The spelling of 2690609928188 in words is "two trillion, six hundred ninety billion, six hundred nine million, nine hundred twenty-eight thousand, one hundred eighty-eight".