63071528313 has 4 divisors (see below), whose sum is σ = 84095371088. Its totient is φ = 42047685540.

The previous prime is 63071528297. The next prime is 63071528327. The reversal of 63071528313 is 31382517036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 63071528313 - 2⁴ = 63071528297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63071528713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10511921383 + ... + 10511921388.

It is an arithmetic number, because the mean of its divisors is an integer number (21023842772).

Almost surely, 2^63071528313 is an apocalyptic number.

It is an amenable number.

63071528313 is a deficient number, since it is larger than the sum of its proper divisors (21023842775).

63071528313 is a wasteful number, since it uses less digits than its factorization.

63071528313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21023842774.

The product of its (nonzero) digits is 90720, while the sum is 39.

The spelling of 63071528313 in words is "sixty-three billion, seventy-one million, five hundred twenty-eight thousand, three hundred thirteen".