13820415603 has 8 divisors (see below), whose sum is σ = 18522699408. Its totient is φ = 9165871104.

The previous prime is 13820415601. The next prime is 13820415613. The reversal of 13820415603 is 30651402831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13820415603 - 2¹ = 13820415601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13820415601) 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, 11934150 + ... + 11935307.

It is an arithmetic number, because the mean of its divisors is an integer number (2315337426).

Almost surely, 2^13820415603 is an apocalyptic number.

13820415603 is a deficient number, since it is larger than the sum of its proper divisors (4702283805).

13820415603 is a wasteful number, since it uses less digits than its factorization.

13820415603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23869653.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 13820415603 in words is "thirteen billion, eight hundred twenty million, four hundred fifteen thousand, six hundred three".