8250914009 has 4 divisors (see below), whose sum is σ = 8885599716. Its totient is φ = 7616228304.

The previous prime is 8250913999. The next prime is 8250914017. The reversal of 8250914009 is 9004190528.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1613227225 + 6637686784 = 40165^2 + 81472^2 .

It is a cyclic number.

It is not a de Polignac number, because 8250914009 - 2¹² = 8250909913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8250914069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317342834 + ... + 317342859.

It is an arithmetic number, because the mean of its divisors is an integer number (2221399929).

Almost surely, 2^8250914009 is an apocalyptic number.

It is an amenable number.

8250914009 is a deficient number, since it is larger than the sum of its proper divisors (634685707).

8250914009 is a wasteful number, since it uses less digits than its factorization.

8250914009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634685706.

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 8250914009 is about 90834.5419375251. The cubic root of 8250914009 is about 2020.6946283586.

The spelling of 8250914009 in words is "eight billion, two hundred fifty million, nine hundred fourteen thousand, nine".