65354407117 has 2 divisors, whose sum is σ = 65354407118. Its totient is φ = 65354407116.

The previous prime is 65354407091. The next prime is 65354407169. The reversal of 65354407117 is 71170445356.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58588686601 + 6765720516 = 242051^2 + 82254^2 .

It is a cyclic number.

It is not a de Polignac number, because 65354407117 - 2²⁷ = 65220189389 is a prime.

It is a super-2 number, since 2×65354407117² (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 (65354405117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32677203558 + 32677203559.

It is an arithmetic number, because the mean of its divisors is an integer number (32677203559).

Almost surely, 2^65354407117 is an apocalyptic number.

It is an amenable number.

65354407117 is a deficient number, since it is larger than the sum of its proper divisors (1).

65354407117 is an equidigital number, since it uses as much as digits as its factorization.

65354407117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 65354407117 in words is "sixty-five billion, three hundred fifty-four million, four hundred seven thousand, one hundred seventeen".