556969141 has 2 divisors, whose sum is σ = 556969142. Its totient is φ = 556969140.

The previous prime is 556969139. The next prime is 556969151. The reversal of 556969141 is 141969655.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 401842116 + 155127025 = 20046^2 + 12455^2 .

It is a cyclic number.

It is not a de Polignac number, because 556969141 - 2¹ = 556969139 is a prime.

Together with 556969139, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 556969091 and 556969100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556969151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278484570 + 278484571.

It is an arithmetic number, because the mean of its divisors is an integer number (278484571).

Almost surely, 2^556969141 is an apocalyptic number.

It is an amenable number.

556969141 is a deficient number, since it is larger than the sum of its proper divisors (1).

556969141 is an equidigital number, since it uses as much as digits as its factorization.

556969141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 46.

The square root of 556969141 is about 23600.1936644596. The cubic root of 556969141 is about 822.7673412110.

The spelling of 556969141 in words is "five hundred fifty-six million, nine hundred sixty-nine thousand, one hundred forty-one".