65371263499 has 2 divisors, whose sum is σ = 65371263500. Its totient is φ = 65371263498.

The previous prime is 65371263493. The next prime is 65371263511. The reversal of 65371263499 is 99436217356.

65371263499 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65371263499 - 2²³ = 65362874891 is a prime.

It is not a weakly prime, because it can be changed into another prime (65371263493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32685631749 + 32685631750.

It is an arithmetic number, because the mean of its divisors is an integer number (32685631750).

Almost surely, 2^65371263499 is an apocalyptic number.

65371263499 is a deficient number, since it is larger than the sum of its proper divisors (1).

65371263499 is an equidigital number, since it uses as much as digits as its factorization.

65371263499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7348320, while the sum is 55.

The spelling of 65371263499 in words is "sixty-five billion, three hundred seventy-one million, two hundred sixty-three thousand, four hundred ninety-nine".