13897341745 has 8 divisors (see below), whose sum is σ = 19059211584. Its totient is φ = 9529605744.

The previous prime is 13897341721. The next prime is 13897341751. The reversal of 13897341745 is 54714379831.

It is a happy number.

13897341745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13897341745 - 2⁹ = 13897341233 is a prime.

It is a super-2 number, since 2×13897341745² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13897341692 and 13897341701.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198533419 + ... + 198533488.

It is an arithmetic number, because the mean of its divisors is an integer number (2382401448).

Almost surely, 2^13897341745 is an apocalyptic number.

It is an amenable number.

13897341745 is a deficient number, since it is larger than the sum of its proper divisors (5161869839).

13897341745 is an equidigital number, since it uses as much as digits as its factorization.

13897341745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397066919.

The product of its digits is 2540160, while the sum is 52.

The spelling of 13897341745 in words is "thirteen billion, eight hundred ninety-seven million, three hundred forty-one thousand, seven hundred forty-five".