557595965449 has 2 divisors, whose sum is σ = 557595965450. Its totient is φ = 557595965448.

The previous prime is 557595965393. The next prime is 557595965467. The reversal of 557595965449 is 944569595755.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 501837644025 + 55758321424 = 708405^2 + 236132^2 .

It is a cyclic number.

It is not a de Polignac number, because 557595965449 - 2¹⁵ = 557595932681 is a prime.

It is not a weakly prime, because it can be changed into another prime (557595965249) 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, 278797982724 + 278797982725.

It is an arithmetic number, because the mean of its divisors is an integer number (278797982725).

Almost surely, 2^557595965449 is an apocalyptic number.

It is an amenable number.

557595965449 is a deficient number, since it is larger than the sum of its proper divisors (1).

557595965449 is an equidigital number, since it uses as much as digits as its factorization.

557595965449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1530900000, while the sum is 73.

The spelling of 557595965449 in words is "five hundred fifty-seven billion, five hundred ninety-five million, nine hundred sixty-five thousand, four hundred forty-nine".