2064804465 has 8 divisors (see below), whose sum is σ = 3303687168. Its totient is φ = 1101229040.

The previous prime is 2064804451. The next prime is 2064804493. The reversal of 2064804465 is 5644084602.

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

It is not a de Polignac number, because 2064804465 - 2⁷ = 2064804337 is a prime.

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, 68826801 + ... + 68826830.

It is an arithmetic number, because the mean of its divisors is an integer number (412960896).

Almost surely, 2^2064804465 is an apocalyptic number.

It is an amenable number.

2064804465 is a deficient number, since it is larger than the sum of its proper divisors (1238882703).

2064804465 is a wasteful number, since it uses less digits than its factorization.

2064804465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137653639.

The product of its (nonzero) digits is 184320, while the sum is 39.

The square root of 2064804465 is about 45440.1195530998. The cubic root of 2064804465 is about 1273.3847473293.

The spelling of 2064804465 in words is "two billion, sixty-four million, eight hundred four thousand, four hundred sixty-five".