1444430244431 has 4 divisors (see below), whose sum is σ = 1444450840152. Its totient is φ = 1444409648712.

The previous prime is 1444430244409. The next prime is 1444430244451. The reversal of 1444430244431 is 1344420344441.

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

It is a cyclic number.

It is not a de Polignac number, because 1444430244431 - 2¹⁴ = 1444430228047 is a prime.

It is a super-2 number, since 2×1444430244431² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444430244451) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10192301 + ... + 10333046.

It is an arithmetic number, because the mean of its divisors is an integer number (361112710038).

Almost surely, 2^{1444430244431} is an apocalyptic number.

1444430244431 is a deficient number, since it is larger than the sum of its proper divisors (20595721).

1444430244431 is an equidigital number, since it uses as much as digits as its factorization.

1444430244431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20595720.

The product of its (nonzero) digits is 294912, while the sum is 38.

Adding to 1444430244431 its reverse (1344420344441), we get a palindrome (2788850588872).

It can be divided in two parts, 1444430 and 244431, that added together give a palindrome (1688861).

The spelling of 1444430244431 in words is "one trillion, four hundred forty-four billion, four hundred thirty million, two hundred forty-four thousand, four hundred thirty-one".