413664431 has 4 divisors (see below), whose sum is σ = 414043992. Its totient is φ = 413284872.

The previous prime is 413664421. The next prime is 413664443. The reversal of 413664431 is 134466314.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 413664431 - 2¹⁴ = 413648047 is a prime.

It is a super-2 number, since 2×413664431² = 342236522949107522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (413664401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 188141 + ... + 190326.

It is an arithmetic number, because the mean of its divisors is an integer number (103510998).

Almost surely, 2^413664431 is an apocalyptic number.

413664431 is a deficient number, since it is larger than the sum of its proper divisors (379561).

413664431 is a wasteful number, since it uses less digits than its factorization.

413664431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379560.

The product of its digits is 20736, while the sum is 32.

The square root of 413664431 is about 20338.7421194134. The cubic root of 413664431 is about 745.1025674438.

The spelling of 413664431 in words is "four hundred thirteen million, six hundred sixty-four thousand, four hundred thirty-one".