5091810851 has 2 divisors, whose sum is σ = 5091810852. Its totient is φ = 5091810850.

The previous prime is 5091810827. The next prime is 5091810929. The reversal of 5091810851 is 1580181905.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5091810851 - 2¹⁴ = 5091794467 is a prime.

It is a super-2 number, since 2×5091810851² = 51853075484722688402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5091870851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2545905425 + 2545905426.

It is an arithmetic number, because the mean of its divisors is an integer number (2545905426).

Almost surely, 2^5091810851 is an apocalyptic number.

5091810851 is a deficient number, since it is larger than the sum of its proper divisors (1).

5091810851 is an equidigital number, since it uses as much as digits as its factorization.

5091810851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14400, while the sum is 38.

The square root of 5091810851 is about 71356.9257395524. The cubic root of 5091810851 is about 1720.3788208107.

The spelling of 5091810851 in words is "five billion, ninety-one million, eight hundred ten thousand, eight hundred fifty-one".