647434012 has 6 divisors (see below), whose sum is σ = 1133009528. Its totient is φ = 323717004.

The previous prime is 647434009. The next prime is 647434033. The reversal of 647434012 is 210434746.

647434012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×647434012² = 838341599788832288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80929248 + ... + 80929255.

Almost surely, 2^647434012 is an apocalyptic number.

It is an amenable number.

647434012 is a deficient number, since it is larger than the sum of its proper divisors (485575516).

647434012 is a wasteful number, since it uses less digits than its factorization.

647434012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161858507 (or 161858505 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 647434012 is about 25444.7246398934. The cubic root of 647434012 is about 865.0977256022.

Adding to 647434012 its reverse (210434746), we get a palindrome (857868758).

The spelling of 647434012 in words is "six hundred forty-seven million, four hundred thirty-four thousand, twelve".