13845441631 has 16 divisors (see below), whose sum is σ = 16811371584. Its totient is φ = 11131282944.

The previous prime is 13845441611. The next prime is 13845441647. The reversal of 13845441631 is 13614454831.

13845441631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13845441631 - 2¹⁹ = 13844917343 is a prime.

It is a super-2 number, since 2×13845441631² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13845441601) 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 15 ways as a sum of consecutive naturals, for example, 163680 + ... + 233413.

It is an arithmetic number, because the mean of its divisors is an integer number (1050710724).

Almost surely, 2^13845441631 is an apocalyptic number.

13845441631 is a deficient number, since it is larger than the sum of its proper divisors (2965929953).

13845441631 is a wasteful number, since it uses less digits than its factorization.

13845441631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397410.

The product of its digits is 138240, while the sum is 40.

The spelling of 13845441631 in words is "thirteen billion, eight hundred forty-five million, four hundred forty-one thousand, six hundred thirty-one".