5649986431 has 8 divisors (see below), whose sum is σ = 6005620800. Its totient is φ = 5296939008.

The previous prime is 5649986369. The next prime is 5649986443. The reversal of 5649986431 is 1346899465.

It is a happy number.

5649986431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5649986431 - 2²³ = 5641597823 is a prime.

It is a super-2 number, since 2×5649986431² = 63844693340968235522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5649980431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642231 + ... + 650968.

It is an arithmetic number, because the mean of its divisors is an integer number (750702600).

Almost surely, 2^5649986431 is an apocalyptic number.

5649986431 is a deficient number, since it is larger than the sum of its proper divisors (355634369).

5649986431 is a wasteful number, since it uses less digits than its factorization.

5649986431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293473.

The product of its digits is 5598720, while the sum is 55.

The square root of 5649986431 is about 75166.3916321650. The cubic root of 5649986431 is about 1781.0760685144.

The spelling of 5649986431 in words is "five billion, six hundred forty-nine million, nine hundred eighty-six thousand, four hundred thirty-one".