65216692319 has 2 divisors, whose sum is σ = 65216692320. Its totient is φ = 65216692318.

The previous prime is 65216692301. The next prime is 65216692351. The reversal of 65216692319 is 91329661256.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65216692319 - 2²⁴ = 65199915103 is a prime.

It is a super-2 number, since 2×65216692319² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65216692399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32608346159 + 32608346160.

It is an arithmetic number, because the mean of its divisors is an integer number (32608346160).

Almost surely, 2^65216692319 is an apocalyptic number.

65216692319 is a deficient number, since it is larger than the sum of its proper divisors (1).

65216692319 is an equidigital number, since it uses as much as digits as its factorization.

65216692319 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1049760, while the sum is 50.

The spelling of 65216692319 in words is "sixty-five billion, two hundred sixteen million, six hundred ninety-two thousand, three hundred nineteen".