51346464315 has 32 divisors (see below), whose sum is σ = 85041230400. Its totient is φ = 26423685120.

The previous prime is 51346464293. The next prime is 51346464319.

It is a happy number.

51346464315 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 51346464315 - 2⁵ = 51346464283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51346464319) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 663235 + ... + 736595.

It is an arithmetic number, because the mean of its divisors is an integer number (2657538450).

Almost surely, 2^51346464315 is an apocalyptic number.

51346464315 is a deficient number, since it is larger than the sum of its proper divisors (33694766085).

51346464315 is a wasteful number, since it uses less digits than its factorization.

51346464315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75007.

The product of its digits is 518400, while the sum is 42.

The spelling of 51346464315 in words is "fifty-one billion, three hundred forty-six million, four hundred sixty-four thousand, three hundred fifteen".