5244157791 has 6 divisors (see below), whose sum is σ = 7574894600. Its totient is φ = 3496105188.

The previous prime is 5244157781. The next prime is 5244157813. The reversal of 5244157791 is 1977514425.

5244157791 is a `hidden beast` number, since 52 + 441 + 5 + 77 + 91 = 666.

It is not a de Polignac number, because 5244157791 - 2⁶ = 5244157727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5244157771) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 291342091 + ... + 291342108.

Almost surely, 2^5244157791 is an apocalyptic number.

5244157791 is a deficient number, since it is larger than the sum of its proper divisors (2330736809).

5244157791 is a wasteful number, since it uses less digits than its factorization.

5244157791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 582684205 (or 582684202 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The square root of 5244157791 is about 72416.5574368183. The cubic root of 5244157791 is about 1737.3683950904.

The spelling of 5244157791 in words is "five billion, two hundred forty-four million, one hundred fifty-seven thousand, seven hundred ninety-one".