51933311619 has 64 divisors (see below), whose sum is σ = 82859065344. Its totient is φ = 28314711936.

The previous prime is 51933311609. The next prime is 51933311623. The reversal of 51933311619 is 91611333915.

It is not a de Polignac number, because 51933311619 - 2¹⁷ = 51933180547 is a prime.

It is a super-2 number, since 2×51933311619² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51933311609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 32806102 + ... + 32807684.

It is an arithmetic number, because the mean of its divisors is an integer number (1294672896).

Almost surely, 2^51933311619 is an apocalyptic number.

51933311619 is a deficient number, since it is larger than the sum of its proper divisors (30925753725).

51933311619 is a wasteful number, since it uses less digits than its factorization.

51933311619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2456.

The product of its digits is 65610, while the sum is 42.

The spelling of 51933311619 in words is "fifty-one billion, nine hundred thirty-three million, three hundred eleven thousand, six hundred nineteen".