1432431411421 has 4 divisors (see below), whose sum is σ = 1442887115292. Its totient is φ = 1421975707552.

The previous prime is 1432431411391. The next prime is 1432431411443. The reversal of 1432431411421 is 1241141342341.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 485042602500 + 947388808921 = 696450^2 + 973339^2 .

It is a cyclic number.

It is not a de Polignac number, because 1432431411421 - 2¹⁹ = 1432430887133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1432431441421) 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, 5227851730 + ... + 5227852003.

It is an arithmetic number, because the mean of its divisors is an integer number (360721778823).

Almost surely, 2^{1432431411421} is an apocalyptic number.

It is an amenable number.

1432431411421 is a deficient number, since it is larger than the sum of its proper divisors (10455703871).

1432431411421 is a wasteful number, since it uses less digits than its factorization.

1432431411421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10455703870.

The product of its digits is 9216, while the sum is 31.

Adding to 1432431411421 its reverse (1241141342341), we get a palindrome (2673572753762).

The spelling of 1432431411421 in words is "one trillion, four hundred thirty-two billion, four hundred thirty-one million, four hundred eleven thousand, four hundred twenty-one".