64277489430490 has 32 divisors (see below), whose sum is σ = 132228657235584. Its totient is φ = 22037883213120.

The previous prime is 64277489430463. The next prime is 64277489430529. The reversal of 64277489430490 is 9403498477246.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11991372 + ... + 16502968.

It is an arithmetic number, because the mean of its divisors is an integer number (4132145538612).

Almost surely, 2^{64277489430490} is an apocalyptic number.

64277489430490 is an abundant number, since it is smaller than the sum of its proper divisors (67951167805094).

64277489430490 is a wasteful number, since it uses less digits than its factorization.

64277489430490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4715142.

The product of its (nonzero) digits is 292626432, while the sum is 67.

The spelling of 64277489430490 in words is "sixty-four trillion, two hundred seventy-seven billion, four hundred eighty-nine million, four hundred thirty thousand, four hundred ninety".