6443468902 has 32 divisors (see below), whose sum is σ = 10662509088. Its totient is φ = 2901540096.

The previous prime is 6443468873. The next prime is 6443468957. The reversal of 6443468902 is 2098643446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1219338 + ... + 1224610.

It is an arithmetic number, because the mean of its divisors is an integer number (333203409).

Almost surely, 2^6443468902 is an apocalyptic number.

6443468902 is a deficient number, since it is larger than the sum of its proper divisors (4219040186).

6443468902 is a wasteful number, since it uses less digits than its factorization.

6443468902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6424.

The product of its (nonzero) digits is 995328, while the sum is 46.

The square root of 6443468902 is about 80271.2208827049. The cubic root of 6443468902 is about 1860.8294853098.

The spelling of 6443468902 in words is "six billion, four hundred forty-three million, four hundred sixty-eight thousand, nine hundred two".