51532632479 has 2 divisors, whose sum is σ = 51532632480. Its totient is φ = 51532632478.

The previous prime is 51532632443. The next prime is 51532632521. The reversal of 51532632479 is 97423623515.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51532632479 - 2⁸ = 51532632223 is a prime.

It is a super-2 number, since 2×51532632479² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51532632439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25766316239 + 25766316240.

It is an arithmetic number, because the mean of its divisors is an integer number (25766316240).

Almost surely, 2^51532632479 is an apocalyptic number.

51532632479 is a deficient number, since it is larger than the sum of its proper divisors (1).

51532632479 is an equidigital number, since it uses as much as digits as its factorization.

51532632479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 47.

The spelling of 51532632479 in words is "fifty-one billion, five hundred thirty-two million, six hundred thirty-two thousand, four hundred seventy-nine".