51467368517 has 4 divisors (see below), whose sum is σ = 51469439040. Its totient is φ = 51465297996.

The previous prime is 51467368487. The next prime is 51467368543. The reversal of 51467368517 is 71586376415.

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 51467368517 - 2⁶ = 51467368453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51467368567) 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, 997517 + ... + 1047842.

It is an arithmetic number, because the mean of its divisors is an integer number (12867359760).

Almost surely, 2^51467368517 is an apocalyptic number.

It is an amenable number.

51467368517 is a deficient number, since it is larger than the sum of its proper divisors (2070523).

51467368517 is a wasteful number, since it uses less digits than its factorization.

51467368517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2070522.

The product of its digits is 4233600, while the sum is 53.

The spelling of 51467368517 in words is "fifty-one billion, four hundred sixty-seven million, three hundred sixty-eight thousand, five hundred seventeen".