13985644151 has 4 divisors (see below), whose sum is σ = 13986176904. Its totient is φ = 13985111400.

The previous prime is 13985644147. The next prime is 13985644163. The reversal of 13985644151 is 15144658931.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13985644151 - 2² = 13985644147 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13985644096 and 13985644105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13985646151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224840 + ... + 280221.

It is an arithmetic number, because the mean of its divisors is an integer number (3496544226).

Almost surely, 2^13985644151 is an apocalyptic number.

13985644151 is a deficient number, since it is larger than the sum of its proper divisors (532753).

13985644151 is an equidigital number, since it uses as much as digits as its factorization.

13985644151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532752.

The product of its digits is 518400, while the sum is 47.

The spelling of 13985644151 in words is "thirteen billion, nine hundred eighty-five million, six hundred forty-four thousand, one hundred fifty-one".