2608862845 has 4 divisors (see below), whose sum is σ = 3130635420. Its totient is φ = 2087090272.

The previous prime is 2608862819. The next prime is 2608862911. The reversal of 2608862845 is 5482688062.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 936543609 + 1672319236 = 30603^2 + 40894^2 .

It is a cyclic number.

It is not a de Polignac number, because 2608862845 - 2²³ = 2600474237 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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, 260886280 + ... + 260886289.

It is an arithmetic number, because the mean of its divisors is an integer number (782658855).

Almost surely, 2^2608862845 is an apocalyptic number.

It is an amenable number.

2608862845 is a deficient number, since it is larger than the sum of its proper divisors (521772575).

2608862845 is an equidigital number, since it uses as much as digits as its factorization.

2608862845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521772574.

The product of its (nonzero) digits is 1474560, while the sum is 49.

The square root of 2608862845 is about 51077.0285451298. The cubic root of 2608862845 is about 1376.6295338364.

The spelling of 2608862845 in words is "two billion, six hundred eight million, eight hundred sixty-two thousand, eight hundred forty-five".