2564230465 has 32 divisors (see below), whose sum is σ = 3224365056. Its totient is φ = 1956111360.

The previous prime is 2564230451. The next prime is 2564230511. The reversal of 2564230465 is 5640324652.

It is not a de Polignac number, because 2564230465 - 2⁵ = 2564230433 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1619064 + ... + 1620646.

It is an arithmetic number, because the mean of its divisors is an integer number (100761408).

Almost surely, 2^2564230465 is an apocalyptic number.

It is an amenable number.

2564230465 is a deficient number, since it is larger than the sum of its proper divisors (660134591).

2564230465 is a wasteful number, since it uses less digits than its factorization.

2564230465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1809.

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 2564230465 is about 50638.2312586054. The cubic root of 2564230465 is about 1368.7338836186.

The spelling of 2564230465 in words is "two billion, five hundred sixty-four million, two hundred thirty thousand, four hundred sixty-five".