4099591089 has 32 divisors (see below), whose sum is σ = 7015351680. Its totient is φ = 2338444800.

The previous prime is 4099591039. The next prime is 4099591091. The reversal of 4099591089 is 9801959904.

4099591089 is a `hidden beast` number, since 40 + 9 + 9 + 591 + 0 + 8 + 9 = 666.

It is not a de Polignac number, because 4099591089 - 2⁷ = 4099590961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4099591039) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 400932 + ... + 411029.

It is an arithmetic number, because the mean of its divisors is an integer number (219229740).

Almost surely, 2^4099591089 is an apocalyptic number.

It is an amenable number.

4099591089 is a deficient number, since it is larger than the sum of its proper divisors (2915760591).

4099591089 is a wasteful number, since it uses less digits than its factorization.

4099591089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 811998 (or 811992 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 54.

The square root of 4099591089 is about 64028.0492362527. The cubic root of 4099591089 is about 1600.4674531300.

The spelling of 4099591089 in words is "four billion, ninety-nine million, five hundred ninety-one thousand, eighty-nine".