1421140444341 has 4 divisors (see below), whose sum is σ = 1894853925792. Its totient is φ = 947426962892.

The previous prime is 1421140444327. The next prime is 1421140444343. The reversal of 1421140444341 is 1434440411241.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1421140444341 - 2²⁹ = 1420603573429 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1421140444343) 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, 236856740721 + ... + 236856740726.

It is an arithmetic number, because the mean of its divisors is an integer number (473713481448).

Almost surely, 2^{1421140444341} is an apocalyptic number.

It is an amenable number.

1421140444341 is a deficient number, since it is larger than the sum of its proper divisors (473713481451).

1421140444341 is an equidigital number, since it uses as much as digits as its factorization.

1421140444341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473713481450.

The product of its (nonzero) digits is 24576, while the sum is 33.

Adding to 1421140444341 its reverse (1434440411241), we get a palindrome (2855580855582).

The spelling of 1421140444341 in words is "one trillion, four hundred twenty-one billion, one hundred forty million, four hundred forty-four thousand, three hundred forty-one".