404542211053 has 2 divisors, whose sum is σ = 404542211054. Its totient is φ = 404542211052.

The previous prime is 404542210991. The next prime is 404542211057. The reversal of 404542211053 is 350112245404.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386110618884 + 18431592169 = 621378^2 + 135763^2 .

It is a cyclic number.

It is not a de Polignac number, because 404542211053 - 2²⁵ = 404508656621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404542211057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202271105526 + 202271105527.

It is an arithmetic number, because the mean of its divisors is an integer number (202271105527).

Almost surely, 2^404542211053 is an apocalyptic number.

It is an amenable number.

404542211053 is a deficient number, since it is larger than the sum of its proper divisors (1).

404542211053 is an equidigital number, since it uses as much as digits as its factorization.

404542211053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 404542211053 its reverse (350112245404), we get a palindrome (754654456457).

The spelling of 404542211053 in words is "four hundred four billion, five hundred forty-two million, two hundred eleven thousand, fifty-three".