65993598465 has 32 divisors (see below), whose sum is σ = 106669132416. Its totient is φ = 34837017600.

The previous prime is 65993598457. The next prime is 65993598487. The reversal of 65993598465 is 56489539956.

It is not a de Polignac number, because 65993598465 - 2³ = 65993598457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65993598465.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7293234 + ... + 7302276.

It is an arithmetic number, because the mean of its divisors is an integer number (3333410388).

Almost surely, 2^65993598465 is an apocalyptic number.

It is an amenable number.

65993598465 is a deficient number, since it is larger than the sum of its proper divisors (40675533951).

65993598465 is a wasteful number, since it uses less digits than its factorization.

65993598465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13969.

The product of its digits is 314928000, while the sum is 69.

The spelling of 65993598465 in words is "sixty-five billion, nine hundred ninety-three million, five hundred ninety-eight thousand, four hundred sixty-five".