13965833713 has 4 divisors (see below), whose sum is σ = 15040128628. Its totient is φ = 12891538800.

The previous prime is 13965833689. The next prime is 13965833723. The reversal of 13965833713 is 31733856931.

It is a happy number.

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 1315657984 + 12650175729 = 36272^2 + 112473^2 .

It is a cyclic number.

It is not a de Polignac number, because 13965833713 - 2¹³ = 13965825521 is a prime.

It is a super-2 number, since 2×13965833713² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13965833723) 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, 537147438 + ... + 537147463.

It is an arithmetic number, because the mean of its divisors is an integer number (3760032157).

Almost surely, 2^13965833713 is an apocalyptic number.

13965833713 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13965833713 is a deficient number, since it is larger than the sum of its proper divisors (1074294915).

13965833713 is a wasteful number, since it uses less digits than its factorization.

13965833713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1074294914.

The product of its digits is 1224720, while the sum is 49.

It can be divided in two parts, 139658 and 33713, that added together give a palindrome (173371).

The spelling of 13965833713 in words is "thirteen billion, nine hundred sixty-five million, eight hundred thirty-three thousand, seven hundred thirteen".