65980935131 has 2 divisors, whose sum is σ = 65980935132. Its totient is φ = 65980935130.

The previous prime is 65980935121. The next prime is 65980935149. The reversal of 65980935131 is 13153908956.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65980935131 - 2¹⁴ = 65980918747 is a prime.

It is a super-2 number, since 2×65980935131² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 65980935131.

It is not a weakly prime, because it can be changed into another prime (65980935121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32990467565 + 32990467566.

It is an arithmetic number, because the mean of its divisors is an integer number (32990467566).

Almost surely, 2^65980935131 is an apocalyptic number.

65980935131 is a deficient number, since it is larger than the sum of its proper divisors (1).

65980935131 is an equidigital number, since it uses as much as digits as its factorization.

65980935131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 874800, while the sum is 50.

The spelling of 65980935131 in words is "sixty-five billion, nine hundred eighty million, nine hundred thirty-five thousand, one hundred thirty-one".