2038909465 has 8 divisors (see below), whose sum is σ = 2447292168. Its totient is φ = 1630727040.

The previous prime is 2038909429. The next prime is 2038909471. The reversal of 2038909465 is 5649098302.

It can be written as a sum of positive squares in 4 ways, for example, as 339738624 + 1699170841 = 18432^2 + 41221^2 .

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

It is not a de Polignac number, because 2038909465 - 2⁷ = 2038909337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26676 + ... + 69205.

It is an arithmetic number, because the mean of its divisors is an integer number (305911521).

Almost surely, 2^2038909465 is an apocalyptic number.

It is an amenable number.

2038909465 is a deficient number, since it is larger than the sum of its proper divisors (408382703).

2038909465 is an equidigital number, since it uses as much as digits as its factorization.

2038909465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100139.

The product of its (nonzero) digits is 466560, while the sum is 46.

The square root of 2038909465 is about 45154.2851233413. The cubic root of 2038909465 is about 1268.0391061009.

The spelling of 2038909465 in words is "two billion, thirty-eight million, nine hundred nine thousand, four hundred sixty-five".