5649322831 has 4 divisors (see below), whose sum is σ = 5651633952. Its totient is φ = 5647011712.

The previous prime is 5649322829. The next prime is 5649322849. The reversal of 5649322831 is 1382239465.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5649322831 - 2¹ = 5649322829 is a prime.

It is a super-2 number, since 2×5649322831² = 63829696897715709122, 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 (5649302831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151890 + ... + 1156783.

It is an arithmetic number, because the mean of its divisors is an integer number (1412908488).

Almost surely, 2^5649322831 is an apocalyptic number.

5649322831 is a deficient number, since it is larger than the sum of its proper divisors (2311121).

5649322831 is a wasteful number, since it uses less digits than its factorization.

5649322831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2311120.

The product of its digits is 311040, while the sum is 43.

The square root of 5649322831 is about 75161.9772957045. The cubic root of 5649322831 is about 1781.0063357006.

The spelling of 5649322831 in words is "five billion, six hundred forty-nine million, three hundred twenty-two thousand, eight hundred thirty-one".