51764500909063 has 2 divisors, whose sum is σ = 51764500909064. Its totient is φ = 51764500909062.

The previous prime is 51764500909007. The next prime is 51764500909109. The reversal of 51764500909063 is 36090900546715.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51764500909063 - 2⁹ = 51764500908551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51764500908995 and 51764500909013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51764500709063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25882250454531 + 25882250454532.

It is an arithmetic number, because the mean of its divisors is an integer number (25882250454532).

Almost surely, 2^{51764500909063} is an apocalyptic number.

51764500909063 is a deficient number, since it is larger than the sum of its proper divisors (1).

51764500909063 is an equidigital number, since it uses as much as digits as its factorization.

51764500909063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 51764500909063 in words is "fifty-one trillion, seven hundred sixty-four billion, five hundred million, nine hundred nine thousand, sixty-three".