7849872659 has 2 divisors, whose sum is σ = 7849872660. Its totient is φ = 7849872658.

The previous prime is 7849872631. The next prime is 7849872661. The reversal of 7849872659 is 9562789487.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (9562789487) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7849872659 - 2⁸ = 7849872403 is a prime.

Together with 7849872661, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 7849872595 and 7849872604.

It is not a weakly prime, because it can be changed into another prime (7849802659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3924936329 + 3924936330.

It is an arithmetic number, because the mean of its divisors is an integer number (3924936330).

Almost surely, 2^7849872659 is an apocalyptic number.

7849872659 is a deficient number, since it is larger than the sum of its proper divisors (1).

7849872659 is an equidigital number, since it uses as much as digits as its factorization.

7849872659 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60963840, while the sum is 65.

The square root of 7849872659 is about 88599.5071035951. The cubic root of 7849872659 is about 1987.4103043207.

The spelling of 7849872659 in words is "seven billion, eight hundred forty-nine million, eight hundred seventy-two thousand, six hundred fifty-nine".