64470772333 has 4 divisors (see below), whose sum is σ = 70331751648. Its totient is φ = 58609793020.

The previous prime is 64470772321. The next prime is 64470772339. The reversal of 64470772333 is 33327707446.

64470772333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64470772333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64470772339) 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, 2930489641 + ... + 2930489662.

It is an arithmetic number, because the mean of its divisors is an integer number (17582937912).

Almost surely, 2^64470772333 is an apocalyptic number.

It is an amenable number.

64470772333 is a deficient number, since it is larger than the sum of its proper divisors (5860979315).

64470772333 is a wasteful number, since it uses less digits than its factorization.

64470772333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5860979314.

The product of its (nonzero) digits is 1778112, while the sum is 46.

The spelling of 64470772333 in words is "sixty-four billion, four hundred seventy million, seven hundred seventy-two thousand, three hundred thirty-three".