51204315043449 has 24 divisors (see below), whose sum is σ = 76548647448000. Its totient is φ = 32943396699360.

The previous prime is 51204315043417. The next prime is 51204315043457. The reversal of 51204315043449 is 94434051340215.

It is a happy number.

51204315043449 is a `hidden beast` number, since 5 + 1 + 20 + 4 + 3 + 150 + 434 + 49 = 666.

It is not a de Polignac number, because 51204315043449 - 2⁵ = 51204315043417 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51204315043489) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46185157 + ... + 47280834.

It is an arithmetic number, because the mean of its divisors is an integer number (3189526977000).

Almost surely, 2^{51204315043449} is an apocalyptic number.

It is an amenable number.

51204315043449 is a deficient number, since it is larger than the sum of its proper divisors (25344332404551).

51204315043449 is a wasteful number, since it uses less digits than its factorization.

51204315043449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93468125 (or 93468122 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 51204315043449 in words is "fifty-one trillion, two hundred four billion, three hundred fifteen million, forty-three thousand, four hundred forty-nine".