13235982369 has 16 divisors (see below), whose sum is σ = 18590208000. Its totient is φ = 8353542096.

The previous prime is 13235982257. The next prime is 13235982373. The reversal of 13235982369 is 96328953231.

It is not a de Polignac number, because 13235982369 - 2¹¹ = 13235980321 is a prime.

It is a super-2 number, since 2×13235982369² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13235982169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3249 + ... + 162734.

It is an arithmetic number, because the mean of its divisors is an integer number (1161888000).

Almost surely, 2^13235982369 is an apocalyptic number.

13235982369 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

13235982369 is a deficient number, since it is larger than the sum of its proper divisors (5354225631).

13235982369 is a wasteful number, since it uses less digits than its factorization.

13235982369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167404.

The product of its digits is 2099520, while the sum is 51.

The spelling of 13235982369 in words is "thirteen billion, two hundred thirty-five million, nine hundred eighty-two thousand, three hundred sixty-nine".