13816920450 has 24 divisors (see below), whose sum is σ = 34265963088. Its totient is φ = 3684512080.

The previous prime is 13816920449. The next prime is 13816920499. The reversal of 13816920450 is 5402961831.

It is a junction number, because it is equal to n+sod(n) for n = 13816920399 and 13816920408.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46056252 + ... + 46056551.

It is an arithmetic number, because the mean of its divisors is an integer number (1427748462).

Almost surely, 2^13816920450 is an apocalyptic number.

13816920450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13816920450 is an abundant number, since it is smaller than the sum of its proper divisors (20449042638).

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

13816920450 is a wasteful number, since it uses less digits than its factorization.

13816920450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92112818 (or 92112813 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The spelling of 13816920450 in words is "thirteen billion, eight hundred sixteen million, nine hundred twenty thousand, four hundred fifty".