63755115473 has 16 divisors (see below), whose sum is σ = 74851597440. Its totient is φ = 53156549376.

The previous prime is 63755115451. The next prime is 63755115491. The reversal of 63755115473 is 37451155736.

It is not a de Polignac number, because 63755115473 - 2²⁰ = 63754066897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63755115433) 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, 1042265 + ... + 1101737.

It is an arithmetic number, because the mean of its divisors is an integer number (4678224840).

Almost surely, 2^63755115473 is an apocalyptic number.

It is an amenable number.

63755115473 is a deficient number, since it is larger than the sum of its proper divisors (11096481967).

63755115473 is a wasteful number, since it uses less digits than its factorization.

63755115473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63656.

The product of its digits is 1323000, while the sum is 47.

The spelling of 63755115473 in words is "sixty-three billion, seven hundred fifty-five million, one hundred fifteen thousand, four hundred seventy-three".