13820918907 has 8 divisors (see below), whose sum is σ = 18441847120. Its totient is φ = 9206968320.

The previous prime is 13820918887. The next prime is 13820918911. The reversal of 13820918907 is 70981902831.

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

It is not a de Polignac number, because 13820918907 - 2⁸ = 13820918651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13820918407) 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, 1739782 + ... + 1747707.

It is an arithmetic number, because the mean of its divisors is an integer number (2305230890).

Almost surely, 2^13820918907 is an apocalyptic number.

13820918907 is a deficient number, since it is larger than the sum of its proper divisors (4620928213).

13820918907 is a wasteful number, since it uses less digits than its factorization.

13820918907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3488813.

The product of its (nonzero) digits is 217728, while the sum is 48.

The spelling of 13820918907 in words is "thirteen billion, eight hundred twenty million, nine hundred eighteen thousand, nine hundred seven".