413774891 has 2 divisors, whose sum is σ = 413774892. Its totient is φ = 413774890.

The previous prime is 413774863. The next prime is 413774909. The reversal of 413774891 is 198477314.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 413774891 - 2²⁶ = 346666027 is a prime.

It is not a weakly prime, because it can be changed into another prime (413774831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206887445 + 206887446.

It is an arithmetic number, because the mean of its divisors is an integer number (206887446).

Almost surely, 2^413774891 is an apocalyptic number.

413774891 is a deficient number, since it is larger than the sum of its proper divisors (1).

413774891 is an equidigital number, since it uses as much as digits as its factorization.

413774891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 44.

The square root of 413774891 is about 20341.4574453258. The cubic root of 413774891 is about 745.1688826329.

The spelling of 413774891 in words is "four hundred thirteen million, seven hundred seventy-four thousand, eight hundred ninety-one".