5649046821 has 12 divisors (see below), whose sum is σ = 8901528480. Its totient is φ = 3423664680.

The previous prime is 5649046811. The next prime is 5649046861. The reversal of 5649046821 is 1286409465.

5649046821 is a `hidden beast` number, since 564 + 9 + 0 + 4 + 6 + 82 + 1 = 666.

It is not a de Polignac number, because 5649046821 - 2⁶ = 5649046757 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5649046811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28530441 + ... + 28530638.

It is an arithmetic number, because the mean of its divisors is an integer number (741794040).

Almost surely, 2^5649046821 is an apocalyptic number.

It is an amenable number.

5649046821 is a deficient number, since it is larger than the sum of its proper divisors (3252481659).

5649046821 is a wasteful number, since it uses less digits than its factorization.

5649046821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57061096 (or 57061093 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 5649046821 is about 75160.1411720335. The cubic root of 5649046821 is about 1780.9773302440.

The spelling of 5649046821 in words is "five billion, six hundred forty-nine million, forty-six thousand, eight hundred twenty-one".