647706476530 has 16 divisors (see below), whose sum is σ = 1182292386624. Its totient is φ = 255433539760.

The previous prime is 647706476477. The next prime is 647706476597. The reversal of 647706476530 is 35674607746.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 456130612 + ... + 456132031.

It is an arithmetic number, because the mean of its divisors is an integer number (73893274164).

Almost surely, 2^647706476530 is an apocalyptic number.

647706476530 is a deficient number, since it is larger than the sum of its proper divisors (534585910094).

647706476530 is a wasteful number, since it uses less digits than its factorization.

647706476530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 912262721.

The product of its (nonzero) digits is 17781120, while the sum is 55.

The spelling of 647706476530 in words is "six hundred forty-seven billion, seven hundred six million, four hundred seventy-six thousand, five hundred thirty".