6439103316 has 96 divisors (see below), whose sum is σ = 16968994560. Its totient is φ = 2111155200.

The previous prime is 6439103309. The next prime is 6439103347. The reversal of 6439103316 is 6133019346.

6439103316 is a `hidden beast` number, since 643 + 9 + 1 + 0 + 3 + 3 + 1 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4730476 + ... + 4731836.

It is an arithmetic number, because the mean of its divisors is an integer number (176760360).

Almost surely, 2^6439103316 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6439103316, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8484497280).

6439103316 is an abundant number, since it is smaller than the sum of its proper divisors (10529891244).

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

6439103316 is a wasteful number, since it uses less digits than its factorization.

6439103316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2062 (or 2054 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 36.

The square root of 6439103316 is about 80244.0235531594. The cubic root of 6439103316 is about 1860.4091399646.

The spelling of 6439103316 in words is "six billion, four hundred thirty-nine million, one hundred three thousand, three hundred sixteen".