51234004666413 has 12 divisors (see below), whose sum is σ = 74073901366140. Its totient is φ = 34124051745216.

The previous prime is 51234004666387. The next prime is 51234004666513. The reversal of 51234004666413 is 31466640043215.

It can be written as a sum of positive squares in 2 ways, for example, as 34186040815689 + 17047963850724 = 5846883^2 + 4128918^2 .

It is not a de Polignac number, because 51234004666413 - 2⁸ = 51234004666157 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51234004666513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2662603656 + ... + 2662622897.

It is an arithmetic number, because the mean of its divisors is an integer number (6172825113845).

Almost surely, 2^{51234004666413} is an apocalyptic number.

It is an amenable number.

51234004666413 is a deficient number, since it is larger than the sum of its proper divisors (22839896699727).

51234004666413 is a wasteful number, since it uses less digits than its factorization.

51234004666413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5325227628 (or 5325227625 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 45.

The spelling of 51234004666413 in words is "fifty-one trillion, two hundred thirty-four billion, four million, six hundred sixty-six thousand, four hundred thirteen".