14640549773939 has 4 divisors (see below), whose sum is σ = 14692651374840. Its totient is φ = 14588448173040.

The previous prime is 14640549773909. The next prime is 14640549773989. The reversal of 14640549773939 is 93937794504641.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14640549773939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14640549773909) 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, 26050800029 + ... + 26050800590.

It is an arithmetic number, because the mean of its divisors is an integer number (3673162843710).

Almost surely, 2^{14640549773939} is an apocalyptic number.

14640549773939 is a deficient number, since it is larger than the sum of its proper divisors (52101600901).

14640549773939 is an equidigital number, since it uses as much as digits as its factorization.

14640549773939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52101600900.

The product of its (nonzero) digits is 617258880, while the sum is 71.

The spelling of 14640549773939 in words is "fourteen trillion, six hundred forty billion, five hundred forty-nine million, seven hundred seventy-three thousand, nine hundred thirty-nine".