65368512577 has 2 divisors, whose sum is σ = 65368512578. Its totient is φ = 65368512576.

The previous prime is 65368512553. The next prime is 65368512593. The reversal of 65368512577 is 77521586356.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44759326096 + 20609186481 = 211564^2 + 143559^2 .

It is a cyclic number.

It is not a de Polignac number, because 65368512577 - 2³¹ = 63221028929 is a prime.

It is not a weakly prime, because it can be changed into another prime (65368522577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32684256288 + 32684256289.

It is an arithmetic number, because the mean of its divisors is an integer number (32684256289).

Almost surely, 2^65368512577 is an apocalyptic number.

It is an amenable number.

65368512577 is a deficient number, since it is larger than the sum of its proper divisors (1).

65368512577 is an equidigital number, since it uses as much as digits as its factorization.

65368512577 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584000, while the sum is 55.

The spelling of 65368512577 in words is "sixty-five billion, three hundred sixty-eight million, five hundred twelve thousand, five hundred seventy-seven".