14431402521412 has 12 divisors (see below), whose sum is σ = 25310216897980. Its totient is φ = 7199911979136.

The previous prime is 14431402521409. The next prime is 14431402521463. The reversal of 14431402521412 is 21412520413441.

It can be written as a sum of positive squares in 2 ways, for example, as 6600449509956 + 7830953011456 = 2569134^2 + 2798384^2 .

It is a super-2 number, since 2×14431402521412² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

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, 3947318337 + ... + 3947321992.

Almost surely, 2^{14431402521412} is an apocalyptic number.

It is an amenable number.

14431402521412 is a deficient number, since it is larger than the sum of its proper divisors (10878814376568).

14431402521412 is a wasteful number, since it uses less digits than its factorization.

14431402521412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7894640790 (or 7894640788 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

Adding to 14431402521412 its reverse (21412520413441), we get a palindrome (35843922934853).

The spelling of 14431402521412 in words is "fourteen trillion, four hundred thirty-one billion, four hundred two million, five hundred twenty-one thousand, four hundred twelve".