2381493369191 has 2 divisors, whose sum is σ = 2381493369192. Its totient is φ = 2381493369190.

The previous prime is 2381493369137. The next prime is 2381493369209. The reversal of 2381493369191 is 1919633941832.

2381493369191 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2381493369191 - 2²² = 2381489174887 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2381493369191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2381493369121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1190746684595 + 1190746684596.

It is an arithmetic number, because the mean of its divisors is an integer number (1190746684596).

Almost surely, 2^{2381493369191} is an apocalyptic number.

2381493369191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2381493369191 is an equidigital number, since it uses as much as digits as its factorization.

2381493369191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7558272, while the sum is 59.

The spelling of 2381493369191 in words is "two trillion, three hundred eighty-one billion, four hundred ninety-three million, three hundred sixty-nine thousand, one hundred ninety-one".