5091913797 has 32 divisors (see below), whose sum is σ = 7658219520. Its totient is φ = 2990257920.

The previous prime is 5091913769. The next prime is 5091913837. The reversal of 5091913797 is 7973191905.

It is not a de Polignac number, because 5091913797 - 2¹⁰ = 5091912773 is a prime.

It is a super-2 number, since 2×5091913797² = 51855172232157914418, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5091913727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48772 + ... + 112082.

It is an arithmetic number, because the mean of its divisors is an integer number (239319360).

Almost surely, 2^5091913797 is an apocalyptic number.

5091913797 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

5091913797 is a deficient number, since it is larger than the sum of its proper divisors (2566305723).

5091913797 is a wasteful number, since it uses less digits than its factorization.

5091913797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63433.

The product of its (nonzero) digits is 535815, while the sum is 51.

The square root of 5091913797 is about 71357.6470814446. The cubic root of 5091913797 is about 1720.3904149128.

The spelling of 5091913797 in words is "five billion, ninety-one million, nine hundred thirteen thousand, seven hundred ninety-seven".