65141577491 has 2 divisors, whose sum is σ = 65141577492. Its totient is φ = 65141577490.

The previous prime is 65141577437. The next prime is 65141577503. The reversal of 65141577491 is 19477514156.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65141577491 - 2³⁴ = 47961708307 is a prime.

It is not a weakly prime, because it can be changed into another prime (65141573491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32570788745 + 32570788746.

It is an arithmetic number, because the mean of its divisors is an integer number (32570788746).

Almost surely, 2^65141577491 is an apocalyptic number.

65141577491 is a deficient number, since it is larger than the sum of its proper divisors (1).

65141577491 is an equidigital number, since it uses as much as digits as its factorization.

65141577491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1058400, while the sum is 50.

The spelling of 65141577491 in words is "sixty-five billion, one hundred forty-one million, five hundred seventy-seven thousand, four hundred ninety-one".