6339649344 has 224 divisors, whose sum is σ = 20308555776. Its totient is φ = 1706158080.

The previous prime is 6339649339. The next prime is 6339649369. The reversal of 6339649344 is 4439469336.

It is a tau number, because it is divible by the number of its divisors (224).

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, 2069574 + ... + 2072634.

Almost surely, 2^6339649344 is an apocalyptic number.

6339649344 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6339649344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10154277888).

6339649344 is an abundant number, since it is smaller than the sum of its proper divisors (13968906432).

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

6339649344 is a wasteful number, since it uses less digits than its factorization.

6339649344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3173 (or 3163 counting only the distinct ones).

The product of its digits is 5038848, while the sum is 51.

The square root of 6339649344 is about 79621.9149732032. The cubic root of 6339649344 is about 1850.7811985895.

The spelling of 6339649344 in words is "six billion, three hundred thirty-nine million, six hundred forty-nine thousand, three hundred forty-four".