64306430667 has 12 divisors (see below), whose sum is σ = 93510471600. Its totient is φ = 42583228368.

The previous prime is 64306430593. The next prime is 64306430711. The reversal of 64306430667 is 76603460346.

It is not a de Polignac number, because 64306430667 - 2¹² = 64306426571 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64306432667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23975703 + ... + 23978384.

It is an arithmetic number, because the mean of its divisors is an integer number (7792539300).

Almost surely, 2^64306430667 is an apocalyptic number.

64306430667 is a deficient number, since it is larger than the sum of its proper divisors (29204040933).

64306430667 is a wasteful number, since it uses less digits than its factorization.

64306430667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47954242 (or 47954239 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 45.

The spelling of 64306430667 in words is "sixty-four billion, three hundred six million, four hundred thirty thousand, six hundred sixty-seven".