64407613234 has 4 divisors (see below), whose sum is σ = 96611419854. Its totient is φ = 32203806616.

The previous prime is 64407613229. The next prime is 64407613267. The reversal of 64407613234 is 43231670446.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 63505512009 + 902101225 = 252003^2 + 30035^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16101903307 + ... + 16101903310.

Almost surely, 2^64407613234 is an apocalyptic number.

64407613234 is a deficient number, since it is larger than the sum of its proper divisors (32203806620).

64407613234 is a wasteful number, since it uses less digits than its factorization.

64407613234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32203806619.

The product of its (nonzero) digits is 290304, while the sum is 40.

The spelling of 64407613234 in words is "sixty-four billion, four hundred seven million, six hundred thirteen thousand, two hundred thirty-four".