1432435643 has 4 divisors (see below), whose sum is σ = 1445823000. Its totient is φ = 1419048288.

The previous prime is 1432435639. The next prime is 1432435661. The reversal of 1432435643 is 3465342341.

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 1432435643 - 2² = 1432435639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1432435243) 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, 6693518 + ... + 6693731.

It is an arithmetic number, because the mean of its divisors is an integer number (361455750).

Almost surely, 2^1432435643 is an apocalyptic number.

1432435643 is a deficient number, since it is larger than the sum of its proper divisors (13387357).

1432435643 is a wasteful number, since it uses less digits than its factorization.

1432435643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13387356.

The product of its digits is 103680, while the sum is 35.

The square root of 1432435643 is about 37847.5315311316. The cubic root of 1432435643 is about 1127.2624476471.

Adding to 1432435643 its reverse (3465342341), we get a palindrome (4897777984).

The spelling of 1432435643 in words is "one billion, four hundred thirty-two million, four hundred thirty-five thousand, six hundred forty-three".