2809602245 has 8 divisors (see below), whose sum is σ = 3382296216. Its totient is φ = 2240499456.

The previous prime is 2809602221. The next prime is 2809602247. The reversal of 2809602245 is 5422069082.

2809602245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 114019684 + 2695582561 = 10678^2 + 51919^2 .

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 2809602245 - 2¹² = 2809598149 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2809602199 and 2809602208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2809602247) 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, 896072 + ... + 899201.

It is an arithmetic number, because the mean of its divisors is an integer number (422787027).

Almost surely, 2^2809602245 is an apocalyptic number.

It is an amenable number.

2809602245 is a deficient number, since it is larger than the sum of its proper divisors (572693971).

2809602245 is a wasteful number, since it uses less digits than its factorization.

2809602245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1795591.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 2809602245 is about 53005.6812521073. The cubic root of 2809602245 is about 1411.0690959595.

The spelling of 2809602245 in words is "two billion, eight hundred nine million, six hundred two thousand, two hundred forty-five".