51931426475 has 12 divisors (see below), whose sum is σ = 64503579096. Its totient is φ = 41475070080.

The previous prime is 51931426451. The next prime is 51931426489. The reversal of 51931426475 is 57462413915.

It is a happy number.

It is not a de Polignac number, because 51931426475 - 2¹² = 51931422379 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1736657 + ... + 1766306.

It is an arithmetic number, because the mean of its divisors is an integer number (5375298258).

Almost surely, 2^51931426475 is an apocalyptic number.

51931426475 is a deficient number, since it is larger than the sum of its proper divisors (12572152621).

51931426475 is a wasteful number, since it uses less digits than its factorization.

51931426475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3503566 (or 3503561 counting only the distinct ones).

The product of its digits is 907200, while the sum is 47.

The spelling of 51931426475 in words is "fifty-one billion, nine hundred thirty-one million, four hundred twenty-six thousand, four hundred seventy-five".