556326351197 has 2 divisors, whose sum is σ = 556326351198. Its totient is φ = 556326351196.

The previous prime is 556326351167. The next prime is 556326351227. The reversal of 556326351197 is 791153623655.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (556326351167) and next prime (556326351227).

It can be written as a sum of positive squares in only one way, i.e., 361184172196 + 195142179001 = 600986^2 + 441749^2 .

It is a cyclic number.

It is not a de Polignac number, because 556326351197 - 2³⁸ = 281448444253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556326351127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278163175598 + 278163175599.

It is an arithmetic number, because the mean of its divisors is an integer number (278163175599).

Almost surely, 2^556326351197 is an apocalyptic number.

It is an amenable number.

556326351197 is a deficient number, since it is larger than the sum of its proper divisors (1).

556326351197 is an equidigital number, since it uses as much as digits as its factorization.

556326351197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5103000, while the sum is 53.

The spelling of 556326351197 in words is "five hundred fifty-six billion, three hundred twenty-six million, three hundred fifty-one thousand, one hundred ninety-seven".