2137642655724 has 48 divisors (see below), whose sum is σ = 5833722652800. Its totient is φ = 675045048528.

The previous prime is 2137642655719. The next prime is 2137642655779. The reversal of 2137642655724 is 4275562467312.

2137642655724 is a `hidden beast` number, since 2 + 1 + 3 + 7 + 6 + 4 + 2 + 65 + 572 + 4 = 666.

It is a super-2 number, since 2×2137642655724² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 520866042 + ... + 520870145.

It is an arithmetic number, because the mean of its divisors is an integer number (121535888600).

Almost surely, 2^{2137642655724} is an apocalyptic number.

It is an amenable number.

2137642655724 is an abundant number, since it is smaller than the sum of its proper divisors (3696079997076).

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

2137642655724 is a wasteful number, since it uses less digits than its factorization.

2137642655724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041736219 (or 1041736211 counting only the distinct ones).

The product of its digits is 16934400, while the sum is 54.

The spelling of 2137642655724 in words is "two trillion, one hundred thirty-seven billion, six hundred forty-two million, six hundred fifty-five thousand, seven hundred twenty-four".