2445564313 has 8 divisors (see below), whose sum is σ = 2479962888. Its totient is φ = 2411190144.

The previous prime is 2445564307. The next prime is 2445564343. The reversal of 2445564313 is 3134655442.

It can be written as a sum of positive squares in 4 ways, for example, as 64009 + 2445500304 = 253^2 + 49452^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2445564313 - 2⁵ = 2445564281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2445564343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 306531 + ... + 314407.

It is an arithmetic number, because the mean of its divisors is an integer number (309995361).

Almost surely, 2^2445564313 is an apocalyptic number.

It is an amenable number.

2445564313 is a deficient number, since it is larger than the sum of its proper divisors (34398575).

2445564313 is an equidigital number, since it uses as much as digits as its factorization.

2445564313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12203.

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

The square root of 2445564313 is about 49452.6471788923. The cubic root of 2445564313 is about 1347.2856871782.

The spelling of 2445564313 in words is "two billion, four hundred forty-five million, five hundred sixty-four thousand, three hundred thirteen".