63476138253 has 24 divisors (see below), whose sum is σ = 95403404448. Its totient is φ = 37229388000.

The previous prime is 63476138207. The next prime is 63476138263. The reversal of 63476138253 is 35283167436.

It is not a de Polignac number, because 63476138253 - 2⁸ = 63476137997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63476138263) 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 in 23 ways as a sum of consecutive naturals, for example, 969078 + ... + 1032503.

It is an arithmetic number, because the mean of its divisors is an integer number (3975141852).

Almost surely, 2^63476138253 is an apocalyptic number.

It is an amenable number.

63476138253 is a deficient number, since it is larger than the sum of its proper divisors (31927266195).

63476138253 is a wasteful number, since it uses less digits than its factorization.

63476138253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2001657 (or 2001626 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 48.

The spelling of 63476138253 in words is "sixty-three billion, four hundred seventy-six million, one hundred thirty-eight thousand, two hundred fifty-three".