13865690773 has 16 divisors (see below), whose sum is σ = 16043396544. Its totient is φ = 11843388160.

The previous prime is 13865690753. The next prime is 13865690789. The reversal of 13865690773 is 37709656831.

It is a cyclic number.

It is not a de Polignac number, because 13865690773 - 2³³ = 5275756181 is a prime.

It is a super-2 number, since 2×13865690773² (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 (13865690753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46611 + ... + 172927.

It is an arithmetic number, because the mean of its divisors is an integer number (1002712284).

Almost surely, 2^13865690773 is an apocalyptic number.

It is an amenable number.

13865690773 is a deficient number, since it is larger than the sum of its proper divisors (2177705771).

13865690773 is a wasteful number, since it uses less digits than its factorization.

13865690773 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126932.

The product of its (nonzero) digits is 5715360, while the sum is 55.

The spelling of 13865690773 in words is "thirteen billion, eight hundred sixty-five million, six hundred ninety thousand, seven hundred seventy-three".