51352413595969 has 8 divisors (see below), whose sum is σ = 52056721675368. Its totient is φ = 50652880487040.

The previous prime is 51352413595939. The next prime is 51352413595979. The reversal of 51352413595969 is 96959531425315.

It can be written as a sum of positive squares in 4 ways, for example, as 18194532905025 + 33157880690944 = 4265505^2 + 5758288^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 51352413595969 - 2²⁷ = 51352279378241 is a prime.

It is a super-2 number, since 2×51352413595969² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51352413595939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193720962 + ... + 1193763979.

It is an arithmetic number, because the mean of its divisors is an integer number (6507090209421).

Almost surely, 2^{51352413595969} is an apocalyptic number.

It is an amenable number.

51352413595969 is a deficient number, since it is larger than the sum of its proper divisors (704308079399).

51352413595969 is a wasteful number, since it uses less digits than its factorization.

51352413595969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2387485235.

The product of its digits is 196830000, while the sum is 67.

The spelling of 51352413595969 in words is "fifty-one trillion, three hundred fifty-two billion, four hundred thirteen million, five hundred ninety-five thousand, nine hundred sixty-nine".