6408642102 has 32 divisors (see below), whose sum is σ = 13019222880. Its totient is φ = 2102803200.

The previous prime is 6408642083. The next prime is 6408642113. The reversal of 6408642102 is 2012468046.

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, 74274 + ... + 135402.

It is an arithmetic number, because the mean of its divisors is an integer number (406850715).

Almost surely, 2^6408642102 is an apocalyptic number.

6408642102 is an abundant number, since it is smaller than the sum of its proper divisors (6610580778).

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

6408642102 is a wasteful number, since it uses less digits than its factorization.

6408642102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61408.

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 6408642102 is about 80053.9949159316. The cubic root of 6408642102 is about 1857.4708468283.

The spelling of 6408642102 in words is "six billion, four hundred eight million, six hundred forty-two thousand, one hundred two".