13816503942 has 32 divisors (see below), whose sum is σ = 30798403200. Its totient is φ = 4106452608.

The previous prime is 13816503907. The next prime is 13816503973. The reversal of 13816503942 is 24930561831.

It is a junction number, because it is equal to n+sod(n) for n = 13816503894 and 13816503903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3562692 + ... + 3566567.

It is an arithmetic number, because the mean of its divisors is an integer number (962450100).

Almost surely, 2^13816503942 is an apocalyptic number.

13816503942 is an abundant number, since it is smaller than the sum of its proper divisors (16981899258).

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

13816503942 is a wasteful number, since it uses less digits than its factorization.

13816503942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7129300.

The product of its (nonzero) digits is 155520, while the sum is 42.

The spelling of 13816503942 in words is "thirteen billion, eight hundred sixteen million, five hundred three thousand, nine hundred forty-two".