5249899830 has 32 divisors (see below), whose sum is σ = 14399725824. Its totient is φ = 1199977056.

The previous prime is 5249899819. The next prime is 5249899867. The reversal of 5249899830 is 389989425.

It is a super-2 number, since 2×5249899830² = 55122896450068057800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12499552 + ... + 12499971.

It is an arithmetic number, because the mean of its divisors is an integer number (449991432).

Almost surely, 2^5249899830 is an apocalyptic number.

5249899830 is an abundant number, since it is smaller than the sum of its proper divisors (9149825994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5249899830 is a wasteful number, since it uses less digits than its factorization.

5249899830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24999540.

The product of its (nonzero) digits is 5598720, while the sum is 57.

The square root of 5249899830 is about 72456.1924889792. The cubic root of 5249899830 is about 1738.0022686082.

The spelling of 5249899830 in words is "five billion, two hundred forty-nine million, eight hundred ninety-nine thousand, eight hundred thirty".