5249379772 has 24 divisors (see below), whose sum is σ = 11306357216. Its totient is φ = 2076677568.

The previous prime is 5249379763. The next prime is 5249379829. The reversal of 5249379772 is 2779739425.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7210323 + ... + 7211050.

Almost surely, 2^5249379772 is an apocalyptic number.

5249379772 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

5249379772 is an abundant number, since it is smaller than the sum of its proper divisors (6056977444).

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

5249379772 is a wasteful number, since it uses less digits than its factorization.

5249379772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14421397 (or 14421395 counting only the distinct ones).

The product of its digits is 6667920, while the sum is 55.

The square root of 5249379772 is about 72452.6036247146. The cubic root of 5249379772 is about 1737.9448775556.

The spelling of 5249379772 in words is "five billion, two hundred forty-nine million, three hundred seventy-nine thousand, seven hundred seventy-two".