404287506669143 has 2 divisors, whose sum is σ = 404287506669144. Its totient is φ = 404287506669142.

The previous prime is 404287506669119. The next prime is 404287506669191. The reversal of 404287506669143 is 341966605782404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404287506669143 - 2⁸ = 404287506668887 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 404287506669143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (404287506669743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202143753334571 + 202143753334572.

It is an arithmetic number, because the mean of its divisors is an integer number (202143753334572).

It is a 1-persistent number, because it is pandigital, but 2⋅404287506669143 = 808575013338286 is not.

Almost surely, 2^{404287506669143} is an apocalyptic number.

404287506669143 is a deficient number, since it is larger than the sum of its proper divisors (1).

404287506669143 is an equidigital number, since it uses as much as digits as its factorization.

404287506669143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209018880, while the sum is 65.

The spelling of 404287506669143 in words is "four hundred four trillion, two hundred eighty-seven billion, five hundred six million, six hundred sixty-nine thousand, one hundred forty-three".