1434421321321 has 8 divisors (see below), whose sum is σ = 1436077241984. Its totient is φ = 1432766355120.

The previous prime is 1434421321283. The next prime is 1434421321331. The reversal of 1434421321321 is 1231231244341.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1434421321321 - 2¹¹ = 1434421319273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1434421321331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2790976 + ... + 3264718.

It is an arithmetic number, because the mean of its divisors is an integer number (179509655248).

Almost surely, 2^{1434421321321} is an apocalyptic number.

It is an amenable number.

1434421321321 is a deficient number, since it is larger than the sum of its proper divisors (1655920663).

1434421321321 is a wasteful number, since it uses less digits than its factorization.

1434421321321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477231.

The product of its digits is 13824, while the sum is 31.

Adding to 1434421321321 its reverse (1231231244341), we get a palindrome (2665652565662).

The spelling of 1434421321321 in words is "one trillion, four hundred thirty-four billion, four hundred twenty-one million, three hundred twenty-one thousand, three hundred twenty-one".