4293243239 has 4 divisors (see below), whose sum is σ = 4331236656. Its totient is φ = 4255249824.

The previous prime is 4293243233. The next prime is 4293243263. The reversal of 4293243239 is 9323423924.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4293243239 is a prime.

It is a super-2 number, since 2×4293243239² = 36863875018438422242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4293243196 and 4293243205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4293243233) 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, 18996539 + ... + 18996764.

It is an arithmetic number, because the mean of its divisors is an integer number (1082809164).

Almost surely, 2^4293243239 is an apocalyptic number.

4293243239 is a deficient number, since it is larger than the sum of its proper divisors (37993417).

4293243239 is a wasteful number, since it uses less digits than its factorization.

4293243239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37993416.

The product of its digits is 279936, while the sum is 41.

The square root of 4293243239 is about 65522.8451686891. The cubic root of 4293243239 is about 1625.2811491767.

The spelling of 4293243239 in words is "four billion, two hundred ninety-three million, two hundred forty-three thousand, two hundred thirty-nine".