1421310341441 has 8 divisors (see below), whose sum is σ = 1556810516520. Its totient is φ = 1291576131328.

The previous prime is 1421310341431. The next prime is 1421310341491. The reversal of 1421310341441 is 1441430131241.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 356432880400 + 1064877461041 = 597020^2 + 1031929^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1421310341441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1421310341401) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1441490726 + ... + 1441491711.

It is an arithmetic number, because the mean of its divisors is an integer number (194601314565).

Almost surely, 2^{1421310341441} is an apocalyptic number.

It is an amenable number.

1421310341441 is a deficient number, since it is larger than the sum of its proper divisors (135500175079).

1421310341441 is a wasteful number, since it uses less digits than its factorization.

1421310341441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2882982483.

The product of its (nonzero) digits is 4608, while the sum is 29.

Adding to 1421310341441 its reverse (1441430131241), we get a palindrome (2862740472682).

The spelling of 1421310341441 in words is "one trillion, four hundred twenty-one billion, three hundred ten million, three hundred forty-one thousand, four hundred forty-one".