65700513727 has 2 divisors, whose sum is σ = 65700513728. Its totient is φ = 65700513726.

The previous prime is 65700513713. The next prime is 65700513787. The reversal of 65700513727 is 72731500756.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65700513727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65700513707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32850256863 + 32850256864.

It is an arithmetic number, because the mean of its divisors is an integer number (32850256864).

Almost surely, 2^65700513727 is an apocalyptic number.

65700513727 is a deficient number, since it is larger than the sum of its proper divisors (1).

65700513727 is an equidigital number, since it uses as much as digits as its factorization.

65700513727 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 308700, while the sum is 43.

The spelling of 65700513727 in words is "sixty-five billion, seven hundred million, five hundred thirteen thousand, seven hundred twenty-seven".