63729905190560 has 96 divisors (see below), whose sum is σ = 174248854940160. Its totient is φ = 21573667694592.

The previous prime is 63729905190499. The next prime is 63729905190563. The reversal of 63729905190560 is 6509150992736.

It is a super-2 number, since 2×63729905190560² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63729905190493 and 63729905190502.

It is not an unprimeable number, because it can be changed into a prime (63729905190563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360048869 + ... + 360225828.

It is an arithmetic number, because the mean of its divisors is an integer number (1815092238960).

Almost surely, 2^{63729905190560} is an apocalyptic number.

It is an amenable number.

63729905190560 is an abundant number, since it is smaller than the sum of its proper divisors (110518949749600).

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

63729905190560 is a wasteful number, since it uses less digits than its factorization.

63729905190560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720274798 (or 720274790 counting only the distinct ones).

The product of its (nonzero) digits is 27556200, while the sum is 62.

The spelling of 63729905190560 in words is "sixty-three trillion, seven hundred twenty-nine billion, nine hundred five million, one hundred ninety thousand, five hundred sixty".