63579497536 has 28 divisors (see below), whose sum is σ = 132805860880. Its totient is φ = 30116603520.

The previous prime is 63579497519. The next prime is 63579497627.

63579497536 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26141670 + ... + 26144101.

It is an arithmetic number, because the mean of its divisors is an integer number (4743066460).

Almost surely, 2^63579497536 is an apocalyptic number.

It is an amenable number.

63579497536 is an abundant number, since it is smaller than the sum of its proper divisors (69226363344).

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

63579497536 is a wasteful number, since it uses less digits than its factorization.

63579497536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52285802 (or 52285792 counting only the distinct ones).

The product of its digits is 128595600, while the sum is 64.

The spelling of 63579497536 in words is "sixty-three billion, five hundred seventy-nine million, four hundred ninety-seven thousand, five hundred thirty-six".