413393891 has 2 divisors, whose sum is σ = 413393892. Its totient is φ = 413393890.

The previous prime is 413393843. The next prime is 413393941. The reversal of 413393891 is 198393314.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-413393891 is a prime.

It is a super-2 number, since 2×413393891² = 341789018232239762, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (413393821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206696945 + 206696946.

It is an arithmetic number, because the mean of its divisors is an integer number (206696946).

Almost surely, 2^413393891 is an apocalyptic number.

413393891 is a deficient number, since it is larger than the sum of its proper divisors (1).

413393891 is an equidigital number, since it uses as much as digits as its factorization.

413393891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 41.

The square root of 413393891 is about 20332.0901778445. The cubic root of 413393891 is about 744.9400975814.

The spelling of 413393891 in words is "four hundred thirteen million, three hundred ninety-three thousand, eight hundred ninety-one".