14379766991 has 2 divisors, whose sum is σ = 14379766992. Its totient is φ = 14379766990.

The previous prime is 14379766949. The next prime is 14379767021. The reversal of 14379766991 is 19966797341.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (19966797341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14379766991 - 2¹⁸ = 14379504847 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14373766991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7189883495 + 7189883496.

It is an arithmetic number, because the mean of its divisors is an integer number (7189883496).

Almost surely, 2^14379766991 is an apocalyptic number.

14379766991 is a deficient number, since it is larger than the sum of its proper divisors (1).

14379766991 is an equidigital number, since it uses as much as digits as its factorization.

14379766991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15431472, while the sum is 62.

The spelling of 14379766991 in words is "fourteen billion, three hundred seventy-nine million, seven hundred sixty-six thousand, nine hundred ninety-one".