5126091613 has 8 divisors (see below), whose sum is σ = 5237020800. Its totient is φ = 5015240160.

The previous prime is 5126091589. The next prime is 5126091637. The reversal of 5126091613 is 3161906215.

It is an interprime number because it is at equal distance from previous prime (5126091589) and next prime (5126091637).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5126091613 - 2⁹ = 5126091101 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 (5126091013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125418 + ... + 161188.

It is an arithmetic number, because the mean of its divisors is an integer number (654627600).

Almost surely, 2^5126091613 is an apocalyptic number.

It is an amenable number.

5126091613 is a deficient number, since it is larger than the sum of its proper divisors (110929187).

5126091613 is a wasteful number, since it uses less digits than its factorization.

5126091613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38867.

The product of its (nonzero) digits is 9720, while the sum is 34.

The square root of 5126091613 is about 71596.7290663477. The cubic root of 5126091613 is about 1724.2310218677.

Adding to 5126091613 its reverse (3161906215), we get a palindrome (8287997828).

It can be divided in two parts, 51 and 26091613, that added together give a square (26091664 = 5108²).

The spelling of 5126091613 in words is "five billion, one hundred twenty-six million, ninety-one thousand, six hundred thirteen".