5091649125 has 16 divisors (see below), whose sum is σ = 8472504768. Its totient is φ = 2715546000.

The previous prime is 5091649117. The next prime is 5091649133. The reversal of 5091649125 is 5219461905.

It is an interprime number because it is at equal distance from previous prime (5091649117) and next prime (5091649133).

It is not a de Polignac number, because 5091649125 - 2³ = 5091649117 is a prime.

It is a super-2 number, since 2×5091649125² = 51849781624226531250, which contains 22 as substring.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6788491 + ... + 6789240.

It is an arithmetic number, because the mean of its divisors is an integer number (529531548).

Almost surely, 2^5091649125 is an apocalyptic number.

It is an amenable number.

5091649125 is a deficient number, since it is larger than the sum of its proper divisors (3380855643).

5091649125 is a wasteful number, since it uses less digits than its factorization.

5091649125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13577749 (or 13577739 counting only the distinct ones).

The product of its (nonzero) digits is 97200, while the sum is 42.

The square root of 5091649125 is about 71355.7925118907. The cubic root of 5091649125 is about 1720.3606064046.

The spelling of 5091649125 in words is "five billion, ninety-one million, six hundred forty-nine thousand, one hundred twenty-five".