6349391832 has 64 divisors (see below), whose sum is σ = 18262944000. Its totient is φ = 1801929600.

The previous prime is 6349391831. The next prime is 6349391837. The reversal of 6349391832 is 2381939436.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6349391831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101794 + ... + 151857.

It is an arithmetic number, because the mean of its divisors is an integer number (285358500).

Almost surely, 2^6349391832 is an apocalyptic number.

It is an amenable number.

6349391832 is an abundant number, since it is smaller than the sum of its proper divisors (11913552168).

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

6349391832 is a wasteful number, since it uses less digits than its factorization.

6349391832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253816 (or 253812 counting only the distinct ones).

The product of its digits is 839808, while the sum is 48.

The square root of 6349391832 is about 79683.0711757523. The cubic root of 6349391832 is about 1851.7287791258.

The spelling of 6349391832 in words is "six billion, three hundred forty-nine million, three hundred ninety-one thousand, eight hundred thirty-two".