2056541749 has 2 divisors, whose sum is σ = 2056541750. Its totient is φ = 2056541748.

The previous prime is 2056541743. The next prime is 2056541761. The reversal of 2056541749 is 9471456502.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1074659524 + 981882225 = 32782^2 + 31335^2 .

It is a cyclic number.

It is not a de Polignac number, because 2056541749 - 2⁹ = 2056541237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2056541743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1028270874 + 1028270875.

It is an arithmetic number, because the mean of its divisors is an integer number (1028270875).

Almost surely, 2^2056541749 is an apocalyptic number.

It is an amenable number.

2056541749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2056541749 is an equidigital number, since it uses as much as digits as its factorization.

2056541749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 2056541749 is about 45349.1096825505. The cubic root of 2056541749 is about 1271.6839111237.

The spelling of 2056541749 in words is "two billion, fifty-six million, five hundred forty-one thousand, seven hundred forty-nine".