5251043992 has 16 divisors (see below), whose sum is σ = 9852899040. Its totient is φ = 2623604256.

The previous prime is 5251043983. The next prime is 5251043999. The reversal of 5251043992 is 2993401525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5251043999) 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, 228048 + ... + 250015.

It is an arithmetic number, because the mean of its divisors is an integer number (615806190).

Almost surely, 2^5251043992 is an apocalyptic number.

It is an amenable number.

5251043992 is a deficient number, since it is larger than the sum of its proper divisors (4601855048).

5251043992 is a wasteful number, since it uses less digits than its factorization.

5251043992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479442 (or 479438 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 5251043992 is about 72464.0876020667. The cubic root of 5251043992 is about 1738.1285193794.

The spelling of 5251043992 in words is "five billion, two hundred fifty-one million, forty-three thousand, nine hundred ninety-two".