9135958641 has 4 divisors (see below), whose sum is σ = 12181278192. Its totient is φ = 6090639092.

The previous prime is 9135958609. The next prime is 9135958649. The reversal of 9135958641 is 1468595319.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9135958641 - 2⁵ = 9135958609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9135958649) 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, 1522659771 + ... + 1522659776.

It is an arithmetic number, because the mean of its divisors is an integer number (3045319548).

Almost surely, 2^9135958641 is an apocalyptic number.

It is an amenable number.

9135958641 is a deficient number, since it is larger than the sum of its proper divisors (3045319551).

9135958641 is a wasteful number, since it uses less digits than its factorization.

9135958641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045319550.

The product of its digits is 1166400, while the sum is 51.

The square root of 9135958641 is about 95582.2088100082. The cubic root of 9135958641 is about 2090.5057909885.

The spelling of 9135958641 in words is "nine billion, one hundred thirty-five million, nine hundred fifty-eight thousand, six hundred forty-one".