64306660434 has 64 divisors (see below), whose sum is σ = 137205190656. Its totient is φ = 20049727104.

The previous prime is 64306660417. The next prime is 64306660469. The reversal of 64306660434 is 43406660346.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1241319 + ... + 1292085.

It is an arithmetic number, because the mean of its divisors is an integer number (2143831104).

Almost surely, 2^64306660434 is an apocalyptic number.

64306660434 is an abundant number, since it is smaller than the sum of its proper divisors (72898530222).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64306660434 is a wasteful number, since it uses less digits than its factorization.

64306660434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50999.

The product of its (nonzero) digits is 746496, while the sum is 42.

The spelling of 64306660434 in words is "sixty-four billion, three hundred six million, six hundred sixty thousand, four hundred thirty-four".