13815804214 has 4 divisors (see below), whose sum is σ = 20723706324. Its totient is φ = 6907902106.

The previous prime is 13815804209. The next prime is 13815804253. The reversal of 13815804214 is 41240851831.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3453951052 + ... + 3453951055.

It is an arithmetic number, because the mean of its divisors is an integer number (5180926581).

Almost surely, 2^13815804214 is an apocalyptic number.

13815804214 is a deficient number, since it is larger than the sum of its proper divisors (6907902110).

13815804214 is an equidigital number, since it uses as much as digits as its factorization.

13815804214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6907902109.

The product of its (nonzero) digits is 30720, while the sum is 37.

The spelling of 13815804214 in words is "thirteen billion, eight hundred fifteen million, eight hundred four thousand, two hundred fourteen".