10009838779 has 2 divisors, whose sum is σ = 10009838780. Its totient is φ = 10009838778.

The previous prime is 10009838777. The next prime is 10009838819. The reversal of 10009838779 is 97783890001.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10009838779 - 2¹ = 10009838777 is a prime.

Together with 10009838777, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10009838777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5004919389 + 5004919390.

It is an arithmetic number, because the mean of its divisors is an integer number (5004919390).

Almost surely, 2^10009838779 is an apocalyptic number.

10009838779 is a deficient number, since it is larger than the sum of its proper divisors (1).

10009838779 is an equidigital number, since it uses as much as digits as its factorization.

10009838779 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 762048, while the sum is 52.

The spelling of 10009838779 in words is "ten billion, nine million, eight hundred thirty-eight thousand, seven hundred seventy-nine".