9868052639 has 2 divisors, whose sum is σ = 9868052640. Its totient is φ = 9868052638.

The previous prime is 9868052617. The next prime is 9868052653. The reversal of 9868052639 is 9362508689.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9868052639 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9868052039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4934026319 + 4934026320.

It is an arithmetic number, because the mean of its divisors is an integer number (4934026320).

Almost surely, 2^9868052639 is an apocalyptic number.

9868052639 is a deficient number, since it is larger than the sum of its proper divisors (1).

9868052639 is an equidigital number, since it uses as much as digits as its factorization.

9868052639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 56.

The square root of 9868052639 is about 99338.0724546234. The cubic root of 9868052639 is about 2144.9169728224.

The spelling of 9868052639 in words is "nine billion, eight hundred sixty-eight million, fifty-two thousand, six hundred thirty-nine".