13812847863 has 32 divisors (see below), whose sum is σ = 19128586752. Its totient is φ = 8860924800.

The previous prime is 13812847819. The next prime is 13812847883. The reversal of 13812847863 is 36874821831.

It is not a de Polignac number, because 13812847863 - 2²¹ = 13810750711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13812847883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2220828 + ... + 2227038.

It is an arithmetic number, because the mean of its divisors is an integer number (597768336).

Almost surely, 2^13812847863 is an apocalyptic number.

13812847863 is a deficient number, since it is larger than the sum of its proper divisors (5315738889).

13812847863 is a wasteful number, since it uses less digits than its factorization.

13812847863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6535.

The product of its digits is 1548288, while the sum is 51.

The spelling of 13812847863 in words is "thirteen billion, eight hundred twelve million, eight hundred forty-seven thousand, eight hundred sixty-three".