2990856245 has 16 divisors (see below), whose sum is σ = 3890716032. Its totient is φ = 2193998400.

The previous prime is 2990856229. The next prime is 2990856259. The reversal of 2990856245 is 5426580992.

It is not a de Polignac number, because 2990856245 - 2⁴ = 2990856229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2990856193 and 2990856202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142547 + ... + 162176.

It is an arithmetic number, because the mean of its divisors is an integer number (243169752).

Almost surely, 2^2990856245 is an apocalyptic number.

It is an amenable number.

2990856245 is a deficient number, since it is larger than the sum of its proper divisors (899859787).

2990856245 is a wasteful number, since it uses less digits than its factorization.

2990856245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304892.

The product of its (nonzero) digits is 1555200, while the sum is 50.

The square root of 2990856245 is about 54688.7213692184. The cubic root of 2990856245 is about 1440.7827927883.

The spelling of 2990856245 in words is "two billion, nine hundred ninety million, eight hundred fifty-six thousand, two hundred forty-five".