2009465015 has 4 divisors (see below), whose sum is σ = 2411358024. Its totient is φ = 1607572008.

The previous prime is 2009465009. The next prime is 2009465027. The reversal of 2009465015 is 5105649002.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2009465015 - 2⁴ = 2009464999 is a prime.

It is a Duffinian number.

It is a congruent 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, 200946497 + ... + 200946506.

It is an arithmetic number, because the mean of its divisors is an integer number (602839506).

Almost surely, 2^2009465015 is an apocalyptic number.

2009465015 is a deficient number, since it is larger than the sum of its proper divisors (401893009).

2009465015 is an equidigital number, since it uses as much as digits as its factorization.

2009465015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401893008.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 2009465015 is about 44827.0567291675. The cubic root of 2009465015 is about 1261.9054513869.

The spelling of 2009465015 in words is "two billion, nine million, four hundred sixty-five thousand, fifteen".