51673107717 has 36 divisors (see below), whose sum is σ = 93761318560. Its totient is φ = 26843168880.

The previous prime is 51673107677. The next prime is 51673107749. The reversal of 51673107717 is 71770137615.

It is not a de Polignac number, because 51673107717 - 2⁷ = 51673107589 is a prime.

It is a super-2 number, since 2×51673107717² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51673103717) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3381667 + ... + 3396912.

Almost surely, 2^51673107717 is an apocalyptic number.

It is an amenable number.

51673107717 is a deficient number, since it is larger than the sum of its proper divisors (42088210843).

51673107717 is a wasteful number, since it uses less digits than its factorization.

51673107717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6778614 (or 6778600 counting only the distinct ones).

The product of its (nonzero) digits is 216090, while the sum is 45.

The spelling of 51673107717 in words is "fifty-one billion, six hundred seventy-three million, one hundred seven thousand, seven hundred seventeen".