13940036599689 has 12 divisors (see below), whose sum is σ = 20147473858356. Its totient is φ = 9287881377792.

The previous prime is 13940036599667. The next prime is 13940036599729. The reversal of 13940036599689 is 98699563004931.

13940036599689 is a `hidden beast` number, since 1 + 3 + 9 + 400 + 3 + 6 + 59 + 96 + 89 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11261796339600 + 2678240260089 = 3355860^2 + 1636533^2 .

It is not a de Polignac number, because 13940036599689 - 2¹² = 13940036595593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13940036599639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 456346824 + ... + 456377369.

It is an arithmetic number, because the mean of its divisors is an integer number (1678956154863).

Almost surely, 2^{13940036599689} is an apocalyptic number.

It is an amenable number.

13940036599689 is a deficient number, since it is larger than the sum of its proper divisors (6207437258667).

13940036599689 is a wasteful number, since it uses less digits than its factorization.

13940036599689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 912725896 (or 912725893 counting only the distinct ones).

The product of its (nonzero) digits is 340122240, while the sum is 72.

The spelling of 13940036599689 in words is "thirteen trillion, nine hundred forty billion, thirty-six million, five hundred ninety-nine thousand, six hundred eighty-nine".