8591241609 has 12 divisors (see below), whose sum is σ = 13062706800. Its totient is φ = 5426047224.

The previous prime is 8591241599. The next prime is 8591241611. The reversal of 8591241609 is 9061421958.

It is not a de Polignac number, because 8591241609 - 2³² = 4296274313 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8591241689) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25120419 + ... + 25120760.

It is an arithmetic number, because the mean of its divisors is an integer number (1088558900).

Almost surely, 2^8591241609 is an apocalyptic number.

It is an amenable number.

8591241609 is a deficient number, since it is larger than the sum of its proper divisors (4471465191).

8591241609 is a wasteful number, since it uses less digits than its factorization.

8591241609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50241204 (or 50241201 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 45.

The square root of 8591241609 is about 92688.9508463657. The cubic root of 8591241609 is about 2048.1038671108.

The spelling of 8591241609 in words is "eight billion, five hundred ninety-one million, two hundred forty-one thousand, six hundred nine".