9748668439 has 2 divisors, whose sum is σ = 9748668440. Its totient is φ = 9748668438.

The previous prime is 9748668437. The next prime is 9748668451. The reversal of 9748668439 is 9348668479.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9748668439 - 2¹ = 9748668437 is a prime.

Together with 9748668437, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9748668437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4874334219 + 4874334220.

It is an arithmetic number, because the mean of its divisors is an integer number (4874334220).

Almost surely, 2^9748668439 is an apocalyptic number.

9748668439 is a deficient number, since it is larger than the sum of its proper divisors (1).

9748668439 is an equidigital number, since it uses as much as digits as its factorization.

9748668439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62705664, while the sum is 64.

The square root of 9748668439 is about 98735.3454392094. The cubic root of 9748668439 is about 2136.2320833330.

The spelling of 9748668439 in words is "nine billion, seven hundred forty-eight million, six hundred sixty-eight thousand, four hundred thirty-nine".