2811573049 has 2 divisors, whose sum is σ = 2811573050. Its totient is φ = 2811573048.

The previous prime is 2811573029. The next prime is 2811573053. The reversal of 2811573049 is 9403751182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2676199824 + 135373225 = 51732^2 + 11635^2 .

It is a cyclic number.

It is not a de Polignac number, because 2811573049 - 2⁷ = 2811572921 is a prime.

It is not a weakly prime, because it can be changed into another prime (2811573029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1405786524 + 1405786525.

It is an arithmetic number, because the mean of its divisors is an integer number (1405786525).

Almost surely, 2^2811573049 is an apocalyptic number.

It is an amenable number.

2811573049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2811573049 is an equidigital number, since it uses as much as digits as its factorization.

2811573049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 2811573049 is about 53024.2684909467. The cubic root of 2811573049 is about 1411.3989517417.

The spelling of 2811573049 in words is "two billion, eight hundred eleven million, five hundred seventy-three thousand, forty-nine".