13424173613 has 4 divisors (see below), whose sum is σ = 13426014588. Its totient is φ = 13422332640.

The previous prime is 13424173603. The next prime is 13424173627. The reversal of 13424173613 is 31637142431.

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 2256004 + 13421917609 = 1502^2 + 115853^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13424173613 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 (13424173603) 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, 909506 + ... + 924147.

It is an arithmetic number, because the mean of its divisors is an integer number (3356503647).

Almost surely, 2^13424173613 is an apocalyptic number.

It is an amenable number.

13424173613 is a deficient number, since it is larger than the sum of its proper divisors (1840975).

13424173613 is an equidigital number, since it uses as much as digits as its factorization.

13424173613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1840974.

The product of its digits is 36288, while the sum is 35.

The spelling of 13424173613 in words is "thirteen billion, four hundred twenty-four million, one hundred seventy-three thousand, six hundred thirteen".