51460477619 has 2 divisors, whose sum is σ = 51460477620. Its totient is φ = 51460477618.

The previous prime is 51460477567. The next prime is 51460477661. The reversal of 51460477619 is 91677406415.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51460477619 - 2²⁸ = 51192042163 is a prime.

It is a super-2 number, since 2×51460477619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51460477669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25730238809 + 25730238810.

It is an arithmetic number, because the mean of its divisors is an integer number (25730238810).

Almost surely, 2^51460477619 is an apocalyptic number.

51460477619 is a deficient number, since it is larger than the sum of its proper divisors (1).

51460477619 is an equidigital number, since it uses as much as digits as its factorization.

51460477619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 51460477619 in words is "fifty-one billion, four hundred sixty million, four hundred seventy-seven thousand, six hundred nineteen".