8249730239 has 8 divisors (see below), whose sum is σ = 8292658752. Its totient is φ = 8206894080.

The previous prime is 8249730227. The next prime is 8249730259. The reversal of 8249730239 is 9320379428.

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 8249730239 - 2¹² = 8249726143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8249730193 and 8249730202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8249730259) 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, 159767 + ... + 204999.

It is an arithmetic number, because the mean of its divisors is an integer number (1036582344).

Almost surely, 2^8249730239 is an apocalyptic number.

8249730239 is a deficient number, since it is larger than the sum of its proper divisors (42928513).

8249730239 is a wasteful number, since it uses less digits than its factorization.

8249730239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46177.

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 8249730239 is about 90828.0256253542. The cubic root of 8249730239 is about 2020.5979864559.

The spelling of 8249730239 in words is "eight billion, two hundred forty-nine million, seven hundred thirty thousand, two hundred thirty-nine".