6409969432 has 32 divisors (see below), whose sum is σ = 12118579200. Its totient is φ = 3178400544.

The previous prime is 6409969427. The next prime is 6409969469. The reversal of 6409969432 is 2349699046.

It is a self number, because there is not a number n which added to its sum of digits gives 6409969432.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1206093 + ... + 1211395.

It is an arithmetic number, because the mean of its divisors is an integer number (378705600).

Almost surely, 2^6409969432 is an apocalyptic number.

It is an amenable number.

6409969432 is a deficient number, since it is larger than the sum of its proper divisors (5708609768).

6409969432 is a wasteful number, since it uses less digits than its factorization.

6409969432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6535 (or 6531 counting only the distinct ones).

The product of its (nonzero) digits is 2519424, while the sum is 52.

The square root of 6409969432 is about 80062.2847038479. The cubic root of 6409969432 is about 1857.5990750628.

The spelling of 6409969432 in words is "six billion, four hundred nine million, nine hundred sixty-nine thousand, four hundred thirty-two".