556228901269 has 2 divisors, whose sum is σ = 556228901270. Its totient is φ = 556228901268.

The previous prime is 556228901219. The next prime is 556228901321. The reversal of 556228901269 is 962109822655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313194691044 + 243034210225 = 559638^2 + 492985^2 .

It is a cyclic number.

It is not a de Polignac number, because 556228901269 - 2²¹ = 556226804117 is a prime.

It is a super-2 number, since 2×556228901269² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556228901219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278114450634 + 278114450635.

It is an arithmetic number, because the mean of its divisors is an integer number (278114450635).

Almost surely, 2^556228901269 is an apocalyptic number.

It is an amenable number.

556228901269 is a deficient number, since it is larger than the sum of its proper divisors (1).

556228901269 is an equidigital number, since it uses as much as digits as its factorization.

556228901269 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4665600, while the sum is 55.

The spelling of 556228901269 in words is "five hundred fifty-six billion, two hundred twenty-eight million, nine hundred one thousand, two hundred sixty-nine".