7123099019 has 2 divisors, whose sum is σ = 7123099020. Its totient is φ = 7123099018.

The previous prime is 7123099007. The next prime is 7123099021. The reversal of 7123099019 is 9109903217.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7123099019 is a prime.

It is a super-2 number, since 2×7123099019² (a number of 21 digits) contains 22 as substring.

Together with 7123099021, 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 (7123099519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3561549509 + 3561549510.

It is an arithmetic number, because the mean of its divisors is an integer number (3561549510).

Almost surely, 2^7123099019 is an apocalyptic number.

7123099019 is a deficient number, since it is larger than the sum of its proper divisors (1).

7123099019 is an equidigital number, since it uses as much as digits as its factorization.

7123099019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30618, while the sum is 41.

The square root of 7123099019 is about 84398.4538898670. The cubic root of 7123099019 is about 1924.0794176088.

The spelling of 7123099019 in words is "seven billion, one hundred twenty-three million, ninety-nine thousand, nineteen".