13402401343 has 4 divisors (see below), whose sum is σ = 13535098488. Its totient is φ = 13269704200.

The previous prime is 13402401329. The next prime is 13402401361. The reversal of 13402401343 is 34310420431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34310420431 = 7 ⋅4901488633.

It is a cyclic number.

It is not a de Polignac number, because 13402401343 - 2⁹ = 13402400831 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 (13402401743) 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, 66348421 + ... + 66348622.

It is an arithmetic number, because the mean of its divisors is an integer number (3383774622).

Almost surely, 2^13402401343 is an apocalyptic number.

13402401343 is a deficient number, since it is larger than the sum of its proper divisors (132697145).

13402401343 is a wasteful number, since it uses less digits than its factorization.

13402401343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132697144.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 13402401343 its reverse (34310420431), we get a palindrome (47712821774).

The spelling of 13402401343 in words is "thirteen billion, four hundred two million, four hundred one thousand, three hundred forty-three".