51407333824651 has 16 divisors (see below), whose sum is σ = 61878590267904. Its totient is φ = 41753724655104.

The previous prime is 51407333824619. The next prime is 51407333824681. The reversal of 51407333824651 is 15642833370415.

It is not a de Polignac number, because 51407333824651 - 2⁵ = 51407333824619 is a prime.

It is a super-4 number, since 4×51407333824651⁴ (a number of 56 digits) contains 4444 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51407333824681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1492039830 + ... + 1492074283.

It is an arithmetic number, because the mean of its divisors is an integer number (3867411891744).

Almost surely, 2^{51407333824651} is an apocalyptic number.

51407333824651 is a deficient number, since it is larger than the sum of its proper divisors (10471256443253).

51407333824651 is a wasteful number, since it uses less digits than its factorization.

51407333824651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2984114250.

The product of its (nonzero) digits is 7257600, while the sum is 52.

The spelling of 51407333824651 in words is "fifty-one trillion, four hundred seven billion, three hundred thirty-three million, eight hundred twenty-four thousand, six hundred fifty-one".