64470772334 has 32 divisors (see below), whose sum is σ = 102285711360. Its totient is φ = 30416566752.

The previous prime is 64470772321. The next prime is 64470772339. The reversal of 64470772334 is 43327707446.

64470772334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 15 ways as a sum of consecutive naturals, for example, 971747 + ... + 1035969.

It is an arithmetic number, because the mean of its divisors is an integer number (3196428480).

Almost surely, 2^64470772334 is an apocalyptic number.

64470772334 is a deficient number, since it is larger than the sum of its proper divisors (37814939026).

64470772334 is a wasteful number, since it uses less digits than its factorization.

64470772334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64544.

The product of its (nonzero) digits is 2370816, while the sum is 47.

The spelling of 64470772334 in words is "sixty-four billion, four hundred seventy million, seven hundred seventy-two thousand, three hundred thirty-four".