4005015065 has 8 divisors (see below), whose sum is σ = 4808981760. Its totient is φ = 3202036272.

The previous prime is 4005015059. The next prime is 4005015067. The reversal of 4005015065 is 5605105004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4005015065 - 2²⁰ = 4003966489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4005015067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238025 + ... + 254294.

It is an arithmetic number, because the mean of its divisors is an integer number (601122720).

Almost surely, 2^4005015065 is an apocalyptic number.

It is an amenable number.

4005015065 is a deficient number, since it is larger than the sum of its proper divisors (803966695).

4005015065 is a wasteful number, since it uses less digits than its factorization.

4005015065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493951.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 4005015065 is about 63285.1883539901. The cubic root of 4005015065 is about 1588.0641848622.

The spelling of 4005015065 in words is "four billion, five million, fifteen thousand, sixty-five".