431634413 has 8 divisors (see below), whose sum is σ = 493441728. Its totient is φ = 369863424.

The previous prime is 431634397. The next prime is 431634443. The reversal of 431634413 is 314436134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 431634413 - 2⁴ = 431634397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431634443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24845 + ... + 38477.

It is an arithmetic number, because the mean of its divisors is an integer number (61680216).

Almost surely, 2^431634413 is an apocalyptic number.

It is an amenable number.

431634413 is a deficient number, since it is larger than the sum of its proper divisors (61807315).

431634413 is a wasteful number, since it uses less digits than its factorization.

431634413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18163.

The product of its digits is 10368, while the sum is 29.

The square root of 431634413 is about 20775.8131730144. The cubic root of 431634413 is about 755.7393240336.

The spelling of 431634413 in words is "four hundred thirty-one million, six hundred thirty-four thousand, four hundred thirteen".