13812280641 has 24 divisors (see below), whose sum is σ = 21118500000. Its totient is φ = 8674791552.

The previous prime is 13812280627. The next prime is 13812280663. The reversal of 13812280641 is 14608221831.

13812280641 is a `hidden beast` number, since 1 + 3 + 8 + 1 + 2 + 2 + 8 + 0 + 641 = 666.

13812280641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13812280641 - 2⁹ = 13812280129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13812280596 and 13812280605.

It is not an unprimeable number, because it can be changed into a prime (13812280621) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 195016 + ... + 256233.

It is an arithmetic number, because the mean of its divisors is an integer number (879937500).

Almost surely, 2^13812280641 is an apocalyptic number.

It is an amenable number.

13812280641 is a deficient number, since it is larger than the sum of its proper divisors (7306219359).

13812280641 is a wasteful number, since it uses less digits than its factorization.

13812280641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 451453 (or 451450 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 13812280641 in words is "thirteen billion, eight hundred twelve million, two hundred eighty thousand, six hundred forty-one".