13895946851 has 4 divisors (see below), whose sum is σ = 13906985400. Its totient is φ = 13884908304.

The previous prime is 13895946817. The next prime is 13895946877. The reversal of 13895946851 is 15864959831.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15864959831 = 7 ⋅2266422833.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13895946851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13895946151) 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, 5517386 + ... + 5519903.

It is an arithmetic number, because the mean of its divisors is an integer number (3476746350).

Almost surely, 2^13895946851 is an apocalyptic number.

13895946851 is a deficient number, since it is larger than the sum of its proper divisors (11038549).

13895946851 is a wasteful number, since it uses less digits than its factorization.

13895946851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11038548.

The product of its digits is 9331200, while the sum is 59.

The spelling of 13895946851 in words is "thirteen billion, eight hundred ninety-five million, nine hundred forty-six thousand, eight hundred fifty-one".