13681250345 has 16 divisors (see below), whose sum is σ = 18822817920. Its totient is φ = 9351448704.

The previous prime is 13681250329. The next prime is 13681250369. The reversal of 13681250345 is 54305218631.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 13681250345 - 2⁴ = 13681250329 is a prime.

It is a super-2 number, since 2×13681250345² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13681250299 and 13681250308.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 613475 + ... + 635384.

It is an arithmetic number, because the mean of its divisors is an integer number (1176426120).

Almost surely, 2^13681250345 is an apocalyptic number.

It is an amenable number.

13681250345 is a deficient number, since it is larger than the sum of its proper divisors (5141567575).

13681250345 is a wasteful number, since it uses less digits than its factorization.

13681250345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1249184.

The product of its (nonzero) digits is 86400, while the sum is 38.

Adding to 13681250345 its reverse (54305218631), we get a palindrome (67986468976).

The spelling of 13681250345 in words is "thirteen billion, six hundred eighty-one million, two hundred fifty thousand, three hundred forty-five".