404213304111389 has 2 divisors, whose sum is σ = 404213304111390. Its totient is φ = 404213304111388.

The previous prime is 404213304111349. The next prime is 404213304111431. The reversal of 404213304111389 is 983111403312404.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 363918002923225 + 40295301188164 = 19076635^2 + 6347858^2 .

It is a cyclic number.

It is not a de Polignac number, because 404213304111389 - 2³⁶ = 404144584634653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404213304111319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202106652055694 + 202106652055695.

It is an arithmetic number, because the mean of its divisors is an integer number (202106652055695).

Almost surely, 2^{404213304111389} is an apocalyptic number.

It is an amenable number.

404213304111389 is a deficient number, since it is larger than the sum of its proper divisors (1).

404213304111389 is an equidigital number, since it uses as much as digits as its factorization.

404213304111389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 404213304111389 in words is "four hundred four trillion, two hundred thirteen billion, three hundred four million, one hundred eleven thousand, three hundred eighty-nine".