10109879939 has 2 divisors, whose sum is σ = 10109879940. Its totient is φ = 10109879938.

The previous prime is 10109879933. The next prime is 10109879947. The reversal of 10109879939 is 93997890101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10109879939 is a prime.

It is not a weakly prime, because it can be changed into another prime (10109879933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5054939969 + 5054939970.

It is an arithmetic number, because the mean of its divisors is an integer number (5054939970).

Almost surely, 2^10109879939 is an apocalyptic number.

10109879939 is a deficient number, since it is larger than the sum of its proper divisors (1).

10109879939 is an equidigital number, since it uses as much as digits as its factorization.

10109879939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1102248, while the sum is 56.

The spelling of 10109879939 in words is "ten billion, one hundred nine million, eight hundred seventy-nine thousand, nine hundred thirty-nine".