555466636397 has 2 divisors, whose sum is σ = 555466636398. Its totient is φ = 555466636396.

The previous prime is 555466636349. The next prime is 555466636399. The reversal of 555466636397 is 793636664555.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 554140292836 + 1326343561 = 744406^2 + 36419^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-555466636397 is a prime.

Together with 555466636399, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555466636399) 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, 277733318198 + 277733318199.

It is an arithmetic number, because the mean of its divisors is an integer number (277733318199).

Almost surely, 2^555466636397 is an apocalyptic number.

It is an amenable number.

555466636397 is a deficient number, since it is larger than the sum of its proper divisors (1).

555466636397 is an equidigital number, since it uses as much as digits as its factorization.

555466636397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 367416000, while the sum is 65.

The spelling of 555466636397 in words is "five hundred fifty-five billion, four hundred sixty-six million, six hundred thirty-six thousand, three hundred ninety-seven".