13885436069 has 16 divisors (see below), whose sum is σ = 14914990080. Its totient is φ = 12879797760.

The previous prime is 13885436057. The next prime is 13885436107. The reversal of 13885436069 is 96063458831.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13885436069 is a prime.

It is a super-2 number, since 2×13885436069² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13885436069.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13885436029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2005724 + ... + 2012634.

It is an arithmetic number, because the mean of its divisors is an integer number (932186880).

Almost surely, 2^13885436069 is an apocalyptic number.

It is an amenable number.

13885436069 is a deficient number, since it is larger than the sum of its proper divisors (1029554011).

13885436069 is a wasteful number, since it uses less digits than its factorization.

13885436069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8620.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 13885436069 in words is "thirteen billion, eight hundred eighty-five million, four hundred thirty-six thousand, sixty-nine".