1421143414432 has 24 divisors (see below), whose sum is σ = 3197572682976. Its totient is φ = 609061463232.

The previous prime is 1421143414393. The next prime is 1421143414487. The reversal of 1421143414432 is 2344143411241.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3172194898 + ... + 3172195345.

It is an arithmetic number, because the mean of its divisors is an integer number (133232195124).

Almost surely, 2^{1421143414432} is an apocalyptic number.

It is an amenable number.

1421143414432 is an abundant number, since it is smaller than the sum of its proper divisors (1776429268544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1421143414432 is an equidigital number, since it uses as much as digits as its factorization.

1421143414432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6344390260 (or 6344390252 counting only the distinct ones).

The product of its digits is 36864, while the sum is 34.

Adding to 1421143414432 its reverse (2344143411241), we get a palindrome (3765286825673).

The spelling of 1421143414432 in words is "one trillion, four hundred twenty-one billion, one hundred forty-three million, four hundred fourteen thousand, four hundred thirty-two".