5249642831 has 16 divisors (see below), whose sum is σ = 5413613568. Its totient is φ = 5087728800.

The previous prime is 5249642819. The next prime is 5249642833. The reversal of 5249642831 is 1382469425.

It is a cyclic number.

It is not a de Polignac number, because 5249642831 - 2⁶ = 5249642767 is a prime.

It is a super-2 number, since 2×5249642831² = 55117499706139389122, 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 (5249642833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5428310 + ... + 5429276.

It is an arithmetic number, because the mean of its divisors is an integer number (338350848).

Almost surely, 2^5249642831 is an apocalyptic number.

5249642831 is a deficient number, since it is larger than the sum of its proper divisors (163970737).

5249642831 is a wasteful number, since it uses less digits than its factorization.

5249642831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862.

The product of its digits is 414720, while the sum is 44.

The square root of 5249642831 is about 72454.4189887684. The cubic root of 5249642831 is about 1737.9739079316.

The spelling of 5249642831 in words is "five billion, two hundred forty-nine million, six hundred forty-two thousand, eight hundred thirty-one".