2800560949 has 2 divisors, whose sum is σ = 2800560950. Its totient is φ = 2800560948.

The previous prime is 2800560913. The next prime is 2800561013. The reversal of 2800560949 is 9490650082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2045300625 + 755260324 = 45225^2 + 27482^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2800560949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2800560449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1400280474 + 1400280475.

It is an arithmetic number, because the mean of its divisors is an integer number (1400280475).

Almost surely, 2^2800560949 is an apocalyptic number.

It is an amenable number.

2800560949 is a deficient number, since it is larger than the sum of its proper divisors (1).

2800560949 is an equidigital number, since it uses as much as digits as its factorization.

2800560949 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 2800560949 is about 52920.3264256750. The cubic root of 2800560949 is about 1409.5538633466.

The spelling of 2800560949 in words is "two billion, eight hundred million, five hundred sixty thousand, nine hundred forty-nine".