8049423246191 has 2 divisors, whose sum is σ = 8049423246192. Its totient is φ = 8049423246190.

The previous prime is 8049423246169. The next prime is 8049423246211. The reversal of 8049423246191 is 1916423249408.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8049423246191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8049423246131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4024711623095 + 4024711623096.

It is an arithmetic number, because the mean of its divisors is an integer number (4024711623096).

Almost surely, 2^{8049423246191} is an apocalyptic number.

8049423246191 is a deficient number, since it is larger than the sum of its proper divisors (1).

8049423246191 is an equidigital number, since it uses as much as digits as its factorization.

8049423246191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2985984, while the sum is 53.

The spelling of 8049423246191 in words is "eight trillion, forty-nine billion, four hundred twenty-three million, two hundred forty-six thousand, one hundred ninety-one".