647376105344 has 32 divisors (see below), whose sum is σ = 1292758100040. Its totient is φ = 322919170560.

The previous prime is 647376105329. The next prime is 647376105353. The reversal of 647376105344 is 443501673746.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 647376105292 and 647376105301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5952794 + ... + 6060569.

Almost surely, 2^647376105344 is an apocalyptic number.

647376105344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

647376105344 is a deficient number, since it is larger than the sum of its proper divisors (645381994696).

647376105344 is a wasteful number, since it uses less digits than its factorization.

647376105344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12013798 (or 12013786 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 50.

The spelling of 647376105344 in words is "six hundred forty-seven billion, three hundred seventy-six million, one hundred five thousand, three hundred forty-four".