13424579797 has 4 divisors (see below), whose sum is σ = 13787406316. Its totient is φ = 13061753280.

The previous prime is 13424579767. The next prime is 13424579807. The reversal of 13424579797 is 79797542431.

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 11899755396 + 1524824401 = 109086^2 + 39049^2 .

It is a cyclic number.

It is not a de Polignac number, because 13424579797 - 2¹⁹ = 13424055509 is a prime.

It is a super-2 number, since 2×13424579797² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13424579767) 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, 181413204 + ... + 181413277.

It is an arithmetic number, because the mean of its divisors is an integer number (3446851579).

Almost surely, 2^13424579797 is an apocalyptic number.

It is an amenable number.

13424579797 is a deficient number, since it is larger than the sum of its proper divisors (362826519).

13424579797 is an equidigital number, since it uses as much as digits as its factorization.

13424579797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362826518.

The product of its digits is 13335840, while the sum is 58.

The spelling of 13424579797 in words is "thirteen billion, four hundred twenty-four million, five hundred seventy-nine thousand, seven hundred ninety-seven".