8239742637459 has 16 divisors (see below), whose sum is σ = 11190733424640. Its totient is φ = 5391898786080.

The previous prime is 8239742637437. The next prime is 8239742637473. The reversal of 8239742637459 is 9547362479328.

It is not a de Polignac number, because 8239742637459 - 2³⁷ = 8102303683987 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8239742637393 and 8239742637402.

It is not an unprimeable number, because it can be changed into a prime (8239742637419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 117712627 + ... + 117782604.

It is an arithmetic number, because the mean of its divisors is an integer number (699420839040).

Almost surely, 2^{8239742637459} is an apocalyptic number.

8239742637459 is a deficient number, since it is larger than the sum of its proper divisors (2950990787181).

8239742637459 is a wasteful number, since it uses less digits than its factorization.

8239742637459 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235495450.

The product of its digits is 548674560, while the sum is 69.

The spelling of 8239742637459 in words is "eight trillion, two hundred thirty-nine billion, seven hundred forty-two million, six hundred thirty-seven thousand, four hundred fifty-nine".