2125646051634 has 96 divisors (see below), whose sum is σ = 5564423174400. Its totient is φ = 599639695200.

The previous prime is 2125646051579. The next prime is 2125646051647. The reversal of 2125646051634 is 4361506465212.

2125646051634 is a `hidden beast` number, since 2 + 1 + 2 + 5 + 6 + 4 + 6 + 0 + 5 + 1 + 634 = 666.

It is a super-2 number, since 2×2125646051634² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2125646051634.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4875417 + ... + 5293484.

It is an arithmetic number, because the mean of its divisors is an integer number (57962741400).

Almost surely, 2^{2125646051634} is an apocalyptic number.

2125646051634 is an abundant number, since it is smaller than the sum of its proper divisors (3438777122766).

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

2125646051634 is a wasteful number, since it uses less digits than its factorization.

2125646051634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10169005 (or 10168992 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 2125646051634 in words is "two trillion, one hundred twenty-five billion, six hundred forty-six million, fifty-one thousand, six hundred thirty-four".