549253646352899 has 2 divisors, whose sum is σ = 549253646352900. Its totient is φ = 549253646352898.

The previous prime is 549253646352857. The next prime is 549253646352979. The reversal of 549253646352899 is 998253646352945.

It is an a-pointer prime, because the next prime (549253646352979) can be obtained adding 549253646352899 to its sum of digits (80).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 549253646352899 - 2²⁴ = 549253629575683 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (549253646352599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 274626823176449 + 274626823176450.

It is an arithmetic number, because the mean of its divisors is an integer number (274626823176450).

Almost surely, 2^{549253646352899} is an apocalyptic number.

549253646352899 is a deficient number, since it is larger than the sum of its proper divisors (1).

549253646352899 is an equidigital number, since it uses as much as digits as its factorization.

549253646352899 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15116544000, while the sum is 80.

The spelling of 549253646352899 in words is "five hundred forty-nine trillion, two hundred fifty-three billion, six hundred forty-six million, three hundred fifty-two thousand, eight hundred ninety-nine".