14431861949812 has 6 divisors (see below), whose sum is σ = 25255758412178. Its totient is φ = 7215930974904.

The previous prime is 14431861949737. The next prime is 14431861949831. The reversal of 14431861949812 is 21894916813441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9737420394256 + 4694441555556 = 3120484^2 + 2166666^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1803982743723 + ... + 1803982743730.

Almost surely, 2^{14431861949812} is an apocalyptic number.

It is an amenable number.

14431861949812 is a deficient number, since it is larger than the sum of its proper divisors (10823896462366).

14431861949812 is a wasteful number, since it uses less digits than its factorization.

14431861949812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3607965487457 (or 3607965487455 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 61.

The spelling of 14431861949812 in words is "fourteen trillion, four hundred thirty-one billion, eight hundred sixty-one million, nine hundred forty-nine thousand, eight hundred twelve".