10120091939 has 2 divisors, whose sum is σ = 10120091940. Its totient is φ = 10120091938.

The previous prime is 10120091929. The next prime is 10120091941. The reversal of 10120091939 is 93919002101.

It is a strong prime.

It is an emirp because it is prime and its reverse (93919002101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10120091939 - 2¹² = 10120087843 is a prime.

Together with 10120091941, 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 = 10120091899 and 10120091908.

It is not a weakly prime, because it can be changed into another prime (10120091929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060045969 + 5060045970.

It is an arithmetic number, because the mean of its divisors is an integer number (5060045970).

Almost surely, 2^10120091939 is an apocalyptic number.

10120091939 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120091939 is an equidigital number, since it uses as much as digits as its factorization.

10120091939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4374, while the sum is 35.

The spelling of 10120091939 in words is "ten billion, one hundred twenty million, ninety-one thousand, nine hundred thirty-nine".