6446312534 has 24 divisors (see below), whose sum is σ = 10144599192. Its totient is φ = 3071905760.

The previous prime is 6446312527. The next prime is 6446312549. The reversal of 6446312534 is 4352136446.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 286457 + ... + 308139.

It is an arithmetic number, because the mean of its divisors is an integer number (422691633).

Almost surely, 2^6446312534 is an apocalyptic number.

6446312534 is a deficient number, since it is larger than the sum of its proper divisors (3698286658).

6446312534 is a wasteful number, since it uses less digits than its factorization.

6446312534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22012 (or 21989 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The square root of 6446312534 is about 80288.9315783938. The cubic root of 6446312534 is about 1861.1031855027.

The spelling of 6446312534 in words is "six billion, four hundred forty-six million, three hundred twelve thousand, five hundred thirty-four".