63307710431752 has 16 divisors (see below), whose sum is σ = 120328011266940. Its totient is φ = 31220240760576.

The previous prime is 63307710431737. The next prime is 63307710431759. The reversal of 63307710431752 is 25713401770336.

It can be written as a sum of positive squares in 2 ways, for example, as 63184597867876 + 123112563876 = 7948874^2 + 350874^2 .

It is a super-2 number, since 2×63307710431752² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63307710431696 and 63307710431705.

It is not an unprimeable number, because it can be changed into a prime (63307710431759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54201806293 + ... + 54201807460.

Almost surely, 2^{63307710431752} is an apocalyptic number.

It is an amenable number.

63307710431752 is a deficient number, since it is larger than the sum of its proper divisors (57020300835188).

63307710431752 is a wasteful number, since it uses less digits than its factorization.

63307710431752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108403613832 (or 108403613828 counting only the distinct ones).

The product of its (nonzero) digits is 2222640, while the sum is 49.

The spelling of 63307710431752 in words is "sixty-three trillion, three hundred seven billion, seven hundred ten million, four hundred thirty-one thousand, seven hundred fifty-two".