555406404229 has 2 divisors, whose sum is σ = 555406404230. Its totient is φ = 555406404228.

The previous prime is 555406404199. The next prime is 555406404341. The reversal of 555406404229 is 922404604555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 481760928100 + 73645476129 = 694090^2 + 271377^2 .

It is a cyclic number.

It is not a de Polignac number, because 555406404229 - 2¹¹ = 555406402181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555406404629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277703202114 + 277703202115.

It is an arithmetic number, because the mean of its divisors is an integer number (277703202115).

Almost surely, 2^555406404229 is an apocalyptic number.

It is an amenable number.

555406404229 is a deficient number, since it is larger than the sum of its proper divisors (1).

555406404229 is an equidigital number, since it uses as much as digits as its factorization.

555406404229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728000, while the sum is 46.

The spelling of 555406404229 in words is "five hundred fifty-five billion, four hundred six million, four hundred four thousand, two hundred twenty-nine".