63131345575 has 6 divisors (see below), whose sum is σ = 78282868544. Its totient is φ = 50505076440.

The previous prime is 63131345567. The next prime is 63131345591. The reversal of 63131345575 is 57554313136.

It is not a de Polignac number, because 63131345575 - 2³ = 63131345567 is a prime.

It is a super-2 number, since 2×63131345575² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1262626887 + ... + 1262626936.

Almost surely, 2^63131345575 is an apocalyptic number.

63131345575 is a deficient number, since it is larger than the sum of its proper divisors (15151522969).

63131345575 is a wasteful number, since it uses less digits than its factorization.

63131345575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2525253833 (or 2525253828 counting only the distinct ones).

The product of its digits is 567000, while the sum is 43.

The spelling of 63131345575 in words is "sixty-three billion, one hundred thirty-one million, three hundred forty-five thousand, five hundred seventy-five".