6444632734 has 8 divisors (see below), whose sum is σ = 9669099960. Its totient is φ = 3221599416.

The previous prime is 6444632707. The next prime is 6444632759. The reversal of 6444632734 is 4372364446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6444632734² = 83066582152288629512, 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 in 3 ways as a sum of consecutive naturals, for example, 347169 + ... + 365260.

It is an arithmetic number, because the mean of its divisors is an integer number (1208637495).

Almost surely, 2^6444632734 is an apocalyptic number.

6444632734 is a deficient number, since it is larger than the sum of its proper divisors (3224467226).

6444632734 is a wasteful number, since it uses less digits than its factorization.

6444632734 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716954.

The product of its digits is 1161216, while the sum is 43.

The square root of 6444632734 is about 80278.4699281196. The cubic root of 6444632734 is about 1860.9415141231.

The spelling of 6444632734 in words is "six billion, four hundred forty-four million, six hundred thirty-two thousand, seven hundred thirty-four".