63125693874 has 48 divisors (see below), whose sum is σ = 141867573120. Its totient is φ = 21037507920.

The previous prime is 63125693837. The next prime is 63125693881. The reversal of 63125693874 is 47839652136.

63125693874 is a `hidden beast` number, since 6 + 3 + 1 + 2 + 569 + 3 + 8 + 74 = 666.

It is a super-2 number, since 2×63125693874² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

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

It is a self number, because there is not a number n which added to its sum of digits gives 63125693874.

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 23 ways as a sum of consecutive naturals, for example, 3012967 + ... + 3033845.

It is an arithmetic number, because the mean of its divisors is an integer number (2955574440).

Almost surely, 2^63125693874 is an apocalyptic number.

63125693874 is an abundant number, since it is smaller than the sum of its proper divisors (78741879246).

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

63125693874 is a wasteful number, since it uses less digits than its factorization.

63125693874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27117 (or 27105 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 63125693874 in words is "sixty-three billion, one hundred twenty-five million, six hundred ninety-three thousand, eight hundred seventy-four".