51132414923 has 2 divisors, whose sum is σ = 51132414924. Its totient is φ = 51132414922.

The previous prime is 51132414919. The next prime is 51132414929. The reversal of 51132414923 is 32941423115.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51132414923 - 2² = 51132414919 is a prime.

It is a super-2 number, since 2×51132414923² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51132414929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25566207461 + 25566207462.

It is an arithmetic number, because the mean of its divisors is an integer number (25566207462).

Almost surely, 2^51132414923 is an apocalyptic number.

51132414923 is a deficient number, since it is larger than the sum of its proper divisors (1).

51132414923 is an equidigital number, since it uses as much as digits as its factorization.

51132414923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The spelling of 51132414923 in words is "fifty-one billion, one hundred thirty-two million, four hundred fourteen thousand, nine hundred twenty-three".