51634363130017 has 4 divisors (see below), whose sum is σ = 52361607681216. Its totient is φ = 50907118578820.

The previous prime is 51634363130011. The next prime is 51634363130027. The reversal of 51634363130017 is 71003136343615.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51634363130017 - 2¹⁹ = 51634362605729 is a prime.

It is a super-2 number, since 2×51634363130017² (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 (51634363130011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363622275493 + ... + 363622275634.

It is an arithmetic number, because the mean of its divisors is an integer number (13090401920304).

Almost surely, 2^{51634363130017} is an apocalyptic number.

It is an amenable number.

51634363130017 is a deficient number, since it is larger than the sum of its proper divisors (727244551199).

51634363130017 is an equidigital number, since it uses as much as digits as its factorization.

51634363130017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727244551198.

The product of its (nonzero) digits is 408240, while the sum is 43.

The spelling of 51634363130017 in words is "fifty-one trillion, six hundred thirty-four billion, three hundred sixty-three million, one hundred thirty thousand, seventeen".