5126089691 has 2 divisors, whose sum is σ = 5126089692. Its totient is φ = 5126089690.

The previous prime is 5126089651. The next prime is 5126089751. The reversal of 5126089691 is 1969806215.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5126089691 - 2²⁶ = 5058980827 is a prime.

It is not a weakly prime, because it can be changed into another prime (5126089601) by changing a digit.

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 as a sum of consecutive naturals, namely, 2563044845 + 2563044846.

It is an arithmetic number, because the mean of its divisors is an integer number (2563044846).

Almost surely, 2^5126089691 is an apocalyptic number.

5126089691 is a deficient number, since it is larger than the sum of its proper divisors (1).

5126089691 is an equidigital number, since it uses as much as digits as its factorization.

5126089691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 47.

The square root of 5126089691 is about 71596.7156439456. The cubic root of 5126089691 is about 1724.2308063707.

The spelling of 5126089691 in words is "five billion, one hundred twenty-six million, eighty-nine thousand, six hundred ninety-one".