19074095939 has 2 divisors, whose sum is σ = 19074095940. Its totient is φ = 19074095938.

The previous prime is 19074095879. The next prime is 19074095941. The reversal of 19074095939 is 93959047091.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 19074095939 - 2⁸ = 19074095683 is a prime.

It is a super-2 number, since 2×19074095939² (a number of 21 digits) contains 22 as substring.

Together with 19074095941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (19074095639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9537047969 + 9537047970.

It is an arithmetic number, because the mean of its divisors is an integer number (9537047970).

Almost surely, 2^19074095939 is an apocalyptic number.

19074095939 is a deficient number, since it is larger than the sum of its proper divisors (1).

19074095939 is an equidigital number, since it uses as much as digits as its factorization.

19074095939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2755620, while the sum is 56.

The spelling of 19074095939 in words is "nineteen billion, seventy-four million, ninety-five thousand, nine hundred thirty-nine".