51896421933 has 12 divisors (see below), whose sum is σ = 72334523520. Its totient is φ = 33093369496.

The previous prime is 51896421893. The next prime is 51896421961. The reversal of 51896421933 is 33912469815.

It is not a de Polignac number, because 51896421933 - 2²⁶ = 51829313069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51896461933) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16348893 + ... + 16352066.

It is an arithmetic number, because the mean of its divisors is an integer number (6027876960).

Almost surely, 2^51896421933 is an apocalyptic number.

It is an amenable number.

51896421933 is a deficient number, since it is larger than the sum of its proper divisors (20438101587).

51896421933 is a wasteful number, since it uses less digits than its factorization.

51896421933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32701008 (or 32700985 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 51.

The spelling of 51896421933 in words is "fifty-one billion, eight hundred ninety-six million, four hundred twenty-one thousand, nine hundred thirty-three".