2245676309 has 4 divisors (see below), whose sum is σ = 2293456704. Its totient is φ = 2197895916.

The previous prime is 2245676299. The next prime is 2245676311. The reversal of 2245676309 is 9036765422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2245676309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2245676309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2245676359) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23890127 + ... + 23890220.

It is an arithmetic number, because the mean of its divisors is an integer number (573364176).

Almost surely, 2^2245676309 is an apocalyptic number.

It is an amenable number.

2245676309 is a deficient number, since it is larger than the sum of its proper divisors (47780395).

2245676309 is an equidigital number, since it uses as much as digits as its factorization.

2245676309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47780394.

The product of its (nonzero) digits is 544320, while the sum is 44.

The square root of 2245676309 is about 47388.5672815712. The cubic root of 2245676309 is about 1309.5308051081.

The spelling of 2245676309 in words is "two billion, two hundred forty-five million, six hundred seventy-six thousand, three hundred nine".