14140893779 has 4 divisors (see below), whose sum is σ = 14141136576. Its totient is φ = 14140650984.

The previous prime is 14140893769. The next prime is 14140893799. The reversal of 14140893779 is 97739804141.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97739804141 = 7 ⋅13962829163.

It is a cyclic number.

It is not a de Polignac number, because 14140893779 - 2⁸ = 14140893523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14140893779.

It is not an unprimeable number, because it can be changed into a prime (14140893719) 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 in 3 ways as a sum of consecutive naturals, for example, 24062 + ... + 169884.

It is an arithmetic number, because the mean of its divisors is an integer number (3535284144).

Almost surely, 2^14140893779 is an apocalyptic number.

14140893779 is a deficient number, since it is larger than the sum of its proper divisors (242797).

14140893779 is an equidigital number, since it uses as much as digits as its factorization.

14140893779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242796.

The product of its (nonzero) digits is 1524096, while the sum is 53.

The spelling of 14140893779 in words is "fourteen billion, one hundred forty million, eight hundred ninety-three thousand, seven hundred seventy-nine".