51173762467 has 2 divisors, whose sum is σ = 51173762468. Its totient is φ = 51173762466.

The previous prime is 51173762459. The next prime is 51173762483. The reversal of 51173762467 is 76426737115.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51173762467 - 2³ = 51173762459 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 51173762467.

It is not a weakly prime, because it can be changed into another prime (51173768467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25586881233 + 25586881234.

It is an arithmetic number, because the mean of its divisors is an integer number (25586881234).

Almost surely, 2^51173762467 is an apocalyptic number.

51173762467 is a deficient number, since it is larger than the sum of its proper divisors (1).

51173762467 is an equidigital number, since it uses as much as digits as its factorization.

51173762467 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1481760, while the sum is 49.

The spelling of 51173762467 in words is "fifty-one billion, one hundred seventy-three million, seven hundred sixty-two thousand, four hundred sixty-seven".