13143411421 has 8 divisors (see below), whose sum is σ = 15267288704. Its totient is φ = 11081095920.

The previous prime is 13143411409. The next prime is 13143411431. The reversal of 13143411421 is 12411434131.

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 13143411421 - 2²⁷ = 13009193693 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 (13143411431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15389985 + ... + 15390838.

It is an arithmetic number, because the mean of its divisors is an integer number (1908411088).

Almost surely, 2^13143411421 is an apocalyptic number.

It is an amenable number.

13143411421 is a deficient number, since it is larger than the sum of its proper divisors (2123877283).

13143411421 is an equidigital number, since it uses as much as digits as its factorization.

13143411421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30780891.

The product of its digits is 1152, while the sum is 25.

Adding to 13143411421 its reverse (12411434131), we get a palindrome (25554845552).

The spelling of 13143411421 in words is "thirteen billion, one hundred forty-three million, four hundred eleven thousand, four hundred twenty-one".