432645643 has 8 divisors (see below), whose sum is σ = 444927600. Its totient is φ = 420528768.

The previous prime is 432645613. The next prime is 432645673. The reversal of 432645643 is 346546234.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (432645613) and next prime (432645673).

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 432645643 - 2⁹ = 432645131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (432645613) 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, 35946 + ... + 46447.

It is an arithmetic number, because the mean of its divisors is an integer number (55615950).

Almost surely, 2^432645643 is an apocalyptic number.

432645643 is a deficient number, since it is larger than the sum of its proper divisors (12281957).

432645643 is an equidigital number, since it uses as much as digits as its factorization.

432645643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82541.

The product of its digits is 207360, while the sum is 37.

The square root of 432645643 is about 20800.1356485961. The cubic root of 432645643 is about 756.3290439612.

The spelling of 432645643 in words is "four hundred thirty-two million, six hundred forty-five thousand, six hundred forty-three".