6434664744 has 32 divisors (see below), whose sum is σ = 16090992000. Its totient is φ = 2144310912.

The previous prime is 6434664721. The next prime is 6434664793. The reversal of 6434664744 is 4474664346.

It is a junction number, because it is equal to n+sod(n) for n = 6434664693 and 6434664702.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60177 + ... + 128415.

It is an arithmetic number, because the mean of its divisors is an integer number (502843500).

Almost surely, 2^6434664744 is an apocalyptic number.

It is an amenable number.

6434664744 is an abundant number, since it is smaller than the sum of its proper divisors (9656327256).

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

6434664744 is a wasteful number, since it uses less digits than its factorization.

6434664744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72177 (or 72173 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 48.

The square root of 6434664744 is about 80216.3620715874. The cubic root of 6434664744 is about 1859.9815722535.

The spelling of 6434664744 in words is "six billion, four hundred thirty-four million, six hundred sixty-four thousand, seven hundred forty-four".