51293032919 has 8 divisors (see below), whose sum is σ = 52682235408. Its totient is φ = 49903983360.

The previous prime is 51293032913. The next prime is 51293032937. The reversal of 51293032919 is 91923039215.

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 51293032919 - 2²⁰ = 51291984343 is a prime.

It is a super-2 number, since 2×51293032919² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51293032919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51293032913) 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, 1072199 + ... + 1119015.

It is an arithmetic number, because the mean of its divisors is an integer number (6585279426).

Almost surely, 2^51293032919 is an apocalyptic number.

51293032919 is a deficient number, since it is larger than the sum of its proper divisors (1389202489).

51293032919 is a wasteful number, since it uses less digits than its factorization.

51293032919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76465.

The product of its (nonzero) digits is 131220, while the sum is 44.

The spelling of 51293032919 in words is "fifty-one billion, two hundred ninety-three million, thirty-two thousand, nine hundred nineteen".