64470772339 has 2 divisors, whose sum is σ = 64470772340. Its totient is φ = 64470772338.

The previous prime is 64470772321. The next prime is 64470772363. The reversal of 64470772339 is 93327707446.

64470772339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64470772339 - 2¹¹ = 64470770291 is a prime.

It is not a weakly prime, because it can be changed into another prime (64470772369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32235386169 + 32235386170.

It is an arithmetic number, because the mean of its divisors is an integer number (32235386170).

Almost surely, 2^64470772339 is an apocalyptic number.

64470772339 is a deficient number, since it is larger than the sum of its proper divisors (1).

64470772339 is an equidigital number, since it uses as much as digits as its factorization.

64470772339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5334336, while the sum is 52.

The spelling of 64470772339 in words is "sixty-four billion, four hundred seventy million, seven hundred seventy-two thousand, three hundred thirty-nine".