6557300249 has 2 divisors, whose sum is σ = 6557300250. Its totient is φ = 6557300248.

The previous prime is 6557300221. The next prime is 6557300303. The reversal of 6557300249 is 9420037556.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5959840000 + 597460249 = 77200^2 + 24443^2 .

It is a cyclic number.

It is not a de Polignac number, because 6557300249 - 2¹² = 6557296153 is a prime.

It is not a weakly prime, because it can be changed into another prime (6557300219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3278650124 + 3278650125.

It is an arithmetic number, because the mean of its divisors is an integer number (3278650125).

Almost surely, 2^6557300249 is an apocalyptic number.

It is an amenable number.

6557300249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6557300249 is an equidigital number, since it uses as much as digits as its factorization.

6557300249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 6557300249 is about 80977.1588103707. The cubic root of 6557300249 is about 1871.7234865075.

The spelling of 6557300249 in words is "six billion, five hundred fifty-seven million, three hundred thousand, two hundred forty-nine".