2144421334431 has 48 divisors (see below), whose sum is σ = 3189131805600. Its totient is φ = 1387517091840.

The previous prime is 2144421334423. The next prime is 2144421334493. The reversal of 2144421334431 is 1344331244412.

2144421334431 is a `hidden beast` number, since 2 + 1 + 4 + 4 + 4 + 213 + 3 + 4 + 431 = 666.

It is not a de Polignac number, because 2144421334431 - 2³ = 2144421334423 is a prime.

It is a super-2 number, since 2×2144421334431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144421334331) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 529615495 + ... + 529619543.

It is an arithmetic number, because the mean of its divisors is an integer number (66440245950).

Almost surely, 2^{2144421334431} is an apocalyptic number.

2144421334431 is a deficient number, since it is larger than the sum of its proper divisors (1044710471169).

2144421334431 is a wasteful number, since it uses less digits than its factorization.

2144421334431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7656 (or 7653 counting only the distinct ones).

The product of its digits is 110592, while the sum is 36.

Adding to 2144421334431 its reverse (1344331244412), we get a palindrome (3488752578843).

The spelling of 2144421334431 in words is "two trillion, one hundred forty-four billion, four hundred twenty-one million, three hundred thirty-four thousand, four hundred thirty-one".