432856109 has 4 divisors (see below), whose sum is σ = 494692704. Its totient is φ = 371019516.

The previous prime is 432856097. The next prime is 432856111. The reversal of 432856109 is 901658234.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 432856109 - 2⁴ = 432856093 is a prime.

It is a super-2 number, since 2×432856109² = 374728822197239762, 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 (432856129) 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, 30918287 + ... + 30918300.

It is an arithmetic number, because the mean of its divisors is an integer number (123673176).

Almost surely, 2^432856109 is an apocalyptic number.

It is an amenable number.

432856109 is a deficient number, since it is larger than the sum of its proper divisors (61836595).

432856109 is an equidigital number, since it uses as much as digits as its factorization.

432856109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61836594.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 432856109 is about 20805.1942793140. The cubic root of 432856109 is about 756.4516660548.

It can be divided in two parts, 43285 and 6109, that added together give a palindrome (49394).

The spelling of 432856109 in words is "four hundred thirty-two million, eight hundred fifty-six thousand, one hundred nine".