4089134065 has 4 divisors (see below), whose sum is σ = 4906960884. Its totient is φ = 3271307248.

The previous prime is 4089134059. The next prime is 4089134087. The reversal of 4089134065 is 5604319804.

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 857552656 + 3231581409 = 29284^2 + 56847^2 .

It is a cyclic number.

It is not a de Polignac number, because 4089134065 - 2⁵ = 4089134033 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408913402 + ... + 408913411.

It is an arithmetic number, because the mean of its divisors is an integer number (1226740221).

Almost surely, 2^4089134065 is an apocalyptic number.

It is an amenable number.

4089134065 is a deficient number, since it is larger than the sum of its proper divisors (817826819).

4089134065 is an equidigital number, since it uses as much as digits as its factorization.

4089134065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817826818.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 4089134065 is about 63946.3373853421. The cubic root of 4089134065 is about 1599.1054980565.

The spelling of 4089134065 in words is "four billion, eighty-nine million, one hundred thirty-four thousand, sixty-five".