808436413 has 2 divisors, whose sum is σ = 808436414. Its totient is φ = 808436412.

The previous prime is 808436311. The next prime is 808436441. The reversal of 808436413 is 314634808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 763251129 + 45185284 = 27627^2 + 6722^2 .

It is a cyclic number.

It is not a de Polignac number, because 808436413 - 2¹³ = 808428221 is a prime.

It is equal to p_41557861 and since 808436413 and 41557861 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (808436443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404218206 + 404218207.

It is an arithmetic number, because the mean of its divisors is an integer number (404218207).

Almost surely, 2^808436413 is an apocalyptic number.

It is an amenable number.

808436413 is a deficient number, since it is larger than the sum of its proper divisors (1).

808436413 is an equidigital number, since it uses as much as digits as its factorization.

808436413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 37.

The square root of 808436413 is about 28433.0162487204. The cubic root of 808436413 is about 931.5695594563.

The spelling of 808436413 in words is "eight hundred eight million, four hundred thirty-six thousand, four hundred thirteen".