8009191919107 has 2 divisors, whose sum is σ = 8009191919108. Its totient is φ = 8009191919106.

The previous prime is 8009191919087. The next prime is 8009191919117. The reversal of 8009191919107 is 7019191919008.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8009191919107 is a prime.

It is not a weakly prime, because it can be changed into another prime (8009191919117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4004595959553 + 4004595959554.

It is an arithmetic number, because the mean of its divisors is an integer number (4004595959554).

Almost surely, 2^{8009191919107} is an apocalyptic number.

8009191919107 is a deficient number, since it is larger than the sum of its proper divisors (1).

8009191919107 is an equidigital number, since it uses as much as digits as its factorization.

8009191919107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 367416, while the sum is 55.

Subtracting from 8009191919107 its reverse (7019191919008), we obtain a palindrome (990000000099).

It can be divided in two parts, 8009191 and 919107, that added together give a palindrome (8928298).

The spelling of 8009191919107 in words is "eight trillion, nine billion, one hundred ninety-one million, nine hundred nineteen thousand, one hundred seven".