65009479472 has 20 divisors (see below), whose sum is σ = 143949561936. Its totient is φ = 27861205440.

The previous prime is 65009479471. The next prime is 65009479477. The reversal of 65009479472 is 27497490056.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (65009479471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 290220779 + ... + 290221002.

Almost surely, 2^65009479472 is an apocalyptic number.

It is an amenable number.

65009479472 is an abundant number, since it is smaller than the sum of its proper divisors (78940082464).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65009479472 is a wasteful number, since it uses less digits than its factorization.

65009479472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580441796 (or 580441790 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 53.

The spelling of 65009479472 in words is "sixty-five billion, nine million, four hundred seventy-nine thousand, four hundred seventy-two".