2557941149 has 2 divisors, whose sum is σ = 2557941150. Its totient is φ = 2557941148.

The previous prime is 2557941103. The next prime is 2557941157. The reversal of 2557941149 is 9411497552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2349340900 + 208600249 = 48470^2 + 14443^2 .

It is a cyclic number.

It is not a de Polignac number, because 2557941149 - 2¹⁶ = 2557875613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2557941179) 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, 1278970574 + 1278970575.

It is an arithmetic number, because the mean of its divisors is an integer number (1278970575).

Almost surely, 2^2557941149 is an apocalyptic number.

It is an amenable number.

2557941149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2557941149 is an equidigital number, since it uses as much as digits as its factorization.

2557941149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 453600, while the sum is 47.

The square root of 2557941149 is about 50576.0926624428. The cubic root of 2557941149 is about 1367.6139313094.

The spelling of 2557941149 in words is "two billion, five hundred fifty-seven million, nine hundred forty-one thousand, one hundred forty-nine".