6424401916 has 12 divisors (see below), whose sum is σ = 11328526440. Its totient is φ = 3187680080.

The previous prime is 6424401913. The next prime is 6424401937. The reversal of 6424401916 is 6191044246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6424401911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6129631 + ... + 6130678.

It is an arithmetic number, because the mean of its divisors is an integer number (944043870).

Almost surely, 2^6424401916 is an apocalyptic number.

It is an amenable number.

6424401916 is a deficient number, since it is larger than the sum of its proper divisors (4904124524).

6424401916 is a wasteful number, since it uses less digits than its factorization.

6424401916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12260444 (or 12260442 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 6424401916 is about 80152.3668770923. The cubic root of 6424401916 is about 1858.9922004124.

The spelling of 6424401916 in words is "six billion, four hundred twenty-four million, four hundred one thousand, nine hundred sixteen".