63495348972 has 24 divisors (see below), whose sum is σ = 161624524992. Its totient is φ = 19241014800.

The previous prime is 63495348967. The next prime is 63495349003. The reversal of 63495348972 is 27984359436.

63495348972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×63495348972² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240512554 + ... + 240512817.

It is an arithmetic number, because the mean of its divisors is an integer number (6734355208).

Almost surely, 2^63495348972 is an apocalyptic number.

It is an amenable number.

63495348972 is an abundant number, since it is smaller than the sum of its proper divisors (98129176020).

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

63495348972 is a wasteful number, since it uses less digits than its factorization.

63495348972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481025389 (or 481025387 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 60.

The spelling of 63495348972 in words is "sixty-three billion, four hundred ninety-five million, three hundred forty-eight thousand, nine hundred seventy-two".