5081336991 has 48 divisors (see below), whose sum is σ = 7922903040. Its totient is φ = 3128051520.

The previous prime is 5081336989. The next prime is 5081337011. The reversal of 5081336991 is 1996331805.

5081336991 is a `hidden beast` number, since 508 + 133 + 6 + 9 + 9 + 1 = 666.

It is not a de Polignac number, because 5081336991 - 2¹ = 5081336989 is a prime.

It is a super-2 number, since 2×5081336991² = 51639971232209868162, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5081336921) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2176861 + ... + 2179193.

It is an arithmetic number, because the mean of its divisors is an integer number (165060480).

Almost surely, 2^5081336991 is an apocalyptic number.

5081336991 is a deficient number, since it is larger than the sum of its proper divisors (2841566049).

5081336991 is a wasteful number, since it uses less digits than its factorization.

5081336991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676 (or 2673 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 5081336991 is about 71283.4973258187. The cubic root of 5081336991 is about 1719.1984040840.

The spelling of 5081336991 in words is "five billion, eighty-one million, three hundred thirty-six thousand, nine hundred ninety-one".