8150505917 has 2 divisors, whose sum is σ = 8150505918. Its totient is φ = 8150505916.

The previous prime is 8150505899. The next prime is 8150505931. The reversal of 8150505917 is 7195050518.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5045118841 + 3105387076 = 71029^2 + 55726^2 .

It is a cyclic number.

It is not a de Polignac number, because 8150505917 - 2²⁶ = 8083397053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8150505997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4075252958 + 4075252959.

It is an arithmetic number, because the mean of its divisors is an integer number (4075252959).

Almost surely, 2^8150505917 is an apocalyptic number.

It is an amenable number.

8150505917 is a deficient number, since it is larger than the sum of its proper divisors (1).

8150505917 is an equidigital number, since it uses as much as digits as its factorization.

8150505917 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63000, while the sum is 41.

The square root of 8150505917 is about 90280.1523979662. The cubic root of 8150505917 is about 2012.4643187584.

The spelling of 8150505917 in words is "eight billion, one hundred fifty million, five hundred five thousand, nine hundred seventeen".