64306430668 has 6 divisors (see below), whose sum is σ = 112536253676. Its totient is φ = 32153215332.

The previous prime is 64306430593. The next prime is 64306430711. The reversal of 64306430668 is 86603460346.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8038303830 + ... + 8038303837.

Almost surely, 2^64306430668 is an apocalyptic number.

It is an amenable number.

64306430668 is a deficient number, since it is larger than the sum of its proper divisors (48229823008).

64306430668 is a wasteful number, since it uses less digits than its factorization.

64306430668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16076607671 (or 16076607669 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 64306430668 in words is "sixty-four billion, three hundred six million, four hundred thirty thousand, six hundred sixty-eight".