13942498194791 has 2 divisors, whose sum is σ = 13942498194792. Its totient is φ = 13942498194790.

The previous prime is 13942498194679. The next prime is 13942498194811. The reversal of 13942498194791 is 19749189424931.

It is a strong prime.

It is an emirp because it is prime and its reverse (19749189424931) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13942498194791 - 2⁴² = 9544451683687 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13942498194991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6971249097395 + 6971249097396.

It is an arithmetic number, because the mean of its divisors is an integer number (6971249097396).

Almost surely, 2^{13942498194791} is an apocalyptic number.

13942498194791 is a deficient number, since it is larger than the sum of its proper divisors (1).

13942498194791 is an equidigital number, since it uses as much as digits as its factorization.

13942498194791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141087744, while the sum is 71.

The spelling of 13942498194791 in words is "thirteen trillion, nine hundred forty-two billion, four hundred ninety-eight million, one hundred ninety-four thousand, seven hundred ninety-one".