433248643 has 4 divisors (see below), whose sum is σ = 433290640. Its totient is φ = 433206648.

The previous prime is 433248619. The next prime is 433248709. The reversal of 433248643 is 346842334.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-433248643 is a prime.

It is a super-2 number, since 2×433248643² = 375408773322682898, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (433248443) 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, 6346 + ... + 30112.

It is an arithmetic number, because the mean of its divisors is an integer number (108322660).

Almost surely, 2^433248643 is an apocalyptic number.

433248643 is a deficient number, since it is larger than the sum of its proper divisors (41997).

433248643 is a wasteful number, since it uses less digits than its factorization.

433248643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41996.

The product of its digits is 165888, while the sum is 37.

The square root of 433248643 is about 20814.6256992529. The cubic root of 433248643 is about 756.6802587901.

It can be divided in two parts, 4332 and 48643, that added together give a triangular number (52975 = T₃₂₅).

The spelling of 433248643 in words is "four hundred thirty-three million, two hundred forty-eight thousand, six hundred forty-three".