13936716469 has 16 divisors (see below), whose sum is σ = 15503491584. Its totient is φ = 12441182400.

The previous prime is 13936716461. The next prime is 13936716473. The reversal of 13936716469 is 96461763931.

It is a cyclic number.

It is not a de Polignac number, because 13936716469 - 2³ = 13936716461 is a prime.

It is a super-2 number, since 2×13936716469² (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 (13936716461) 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, 622107 + ... + 644119.

It is an arithmetic number, because the mean of its divisors is an integer number (968968224).

Almost surely, 2^13936716469 is an apocalyptic number.

It is an amenable number.

13936716469 is a deficient number, since it is larger than the sum of its proper divisors (1566775115).

13936716469 is a wasteful number, since it uses less digits than its factorization.

13936716469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23628.

The product of its digits is 4408992, while the sum is 55.

The spelling of 13936716469 in words is "thirteen billion, nine hundred thirty-six million, seven hundred sixteen thousand, four hundred sixty-nine".