431068809 has 8 divisors (see below), whose sum is σ = 584500320. Its totient is φ = 282508256.

The previous prime is 431068801. The next prime is 431068817. The reversal of 431068809 is 908860134.

It is an interprime number because it is at equal distance from previous prime (431068801) and next prime (431068817).

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

It is a cyclic number.

It is not a de Polignac number, because 431068809 - 2³ = 431068801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (431068801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1217532 + ... + 1217885.

It is an arithmetic number, because the mean of its divisors is an integer number (73062540).

Almost surely, 2^431068809 is an apocalyptic number.

It is an amenable number.

431068809 is a deficient number, since it is larger than the sum of its proper divisors (153431511).

431068809 is a wasteful number, since it uses less digits than its factorization.

431068809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435479.

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 431068809 is about 20762.1966323412. The cubic root of 431068809 is about 755.4090784876.

It can be divided in two parts, 43106 and 8809, that added together give a palindrome (51915).

The spelling of 431068809 in words is "four hundred thirty-one million, sixty-eight thousand, eight hundred nine".