13859245824 has 72 divisors (see below), whose sum is σ = 37112433792. Its totient is φ = 4591365120.

The previous prime is 13859245823. The next prime is 13859245853. The reversal of 13859245824 is 42854295831.

It is a super-2 number, since 2×13859245824² (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 (13859245823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69829 + ... + 180539.

Almost surely, 2^13859245824 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13859245824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18556216896).

13859245824 is an abundant number, since it is smaller than the sum of its proper divisors (23253187968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13859245824 is a wasteful number, since it uses less digits than its factorization.

13859245824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110893 (or 110879 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 51.

The spelling of 13859245824 in words is "thirteen billion, eight hundred fifty-nine million, two hundred forty-five thousand, eight hundred twenty-four".