64940504035 has 32 divisors (see below), whose sum is σ = 89674905600. Its totient is φ = 44649941760.

The previous prime is 64940504011. The next prime is 64940504051. The reversal of 64940504035 is 53040504946.

It is not a de Polignac number, because 64940504035 - 2¹¹ = 64940501987 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 435687 + ... + 565423.

It is an arithmetic number, because the mean of its divisors is an integer number (2802340800).

Almost surely, 2^64940504035 is an apocalyptic number.

64940504035 is a deficient number, since it is larger than the sum of its proper divisors (24734401565).

64940504035 is a wasteful number, since it uses less digits than its factorization.

64940504035 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130251.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 64940504035 in words is "sixty-four billion, nine hundred forty million, five hundred four thousand, thirty-five".