63575057536 has 16 divisors (see below), whose sum is σ = 126653435190. Its totient is φ = 31787528704.

The previous prime is 63575057531. The next prime is 63575057543.

63575057536 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 60740559936 + 2834497600 = 246456^2 + 53240^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is not an unprimeable number, because it can be changed into a prime (63575057531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 248339941 + ... + 248340196.

Almost surely, 2^63575057536 is an apocalyptic number.

It is an amenable number.

63575057536 is a deficient number, since it is larger than the sum of its proper divisors (63078377654).

63575057536 is an equidigital number, since it uses as much as digits as its factorization.

63575057536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 496680151 (or 496680139 counting only the distinct ones).

The product of its (nonzero) digits is 9922500, while the sum is 52.

The spelling of 63575057536 in words is "sixty-three billion, five hundred seventy-five million, fifty-seven thousand, five hundred thirty-six".