12444451437 has 8 divisors (see below), whose sum is σ = 18101020320. Its totient is φ = 7542091760.

The previous prime is 12444451423. The next prime is 12444451441. The reversal of 12444451437 is 73415444421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12444451437 - 2⁸ = 12444451181 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12444451395 and 12444451404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12444451417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188552262 + ... + 188552327.

It is an arithmetic number, because the mean of its divisors is an integer number (2262627540).

Almost surely, 2^12444451437 is an apocalyptic number.

It is an amenable number.

12444451437 is a deficient number, since it is larger than the sum of its proper divisors (5656568883).

12444451437 is a wasteful number, since it uses less digits than its factorization.

12444451437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377104603.

The product of its digits is 215040, while the sum is 39.

Adding to 12444451437 its reverse (73415444421), we get a palindrome (85859895858).

The spelling of 12444451437 in words is "twelve billion, four hundred forty-four million, four hundred fifty-one thousand, four hundred thirty-seven".