404413201987 has 2 divisors, whose sum is σ = 404413201988. Its totient is φ = 404413201986.

The previous prime is 404413201979. The next prime is 404413202027. The reversal of 404413201987 is 789102314404.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 404413201987 - 2³ = 404413201979 is a prime.

It is not a weakly prime, because it can be changed into another prime (404413208987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202206600993 + 202206600994.

It is an arithmetic number, because the mean of its divisors is an integer number (202206600994).

Almost surely, 2^404413201987 is an apocalyptic number.

404413201987 is a deficient number, since it is larger than the sum of its proper divisors (1).

404413201987 is an equidigital number, since it uses as much as digits as its factorization.

404413201987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 404413201987 in words is "four hundred four billion, four hundred thirteen million, two hundred one thousand, nine hundred eighty-seven".