13718946213 has 32 divisors (see below), whose sum is σ = 23521894400. Its totient is φ = 7740156528.

The previous prime is 13718946209. The next prime is 13718946217. The reversal of 13718946213 is 31264981731.

13718946213 is a `hidden beast` number, since 1 + 3 + 7 + 18 + 9 + 4 + 621 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (13718946209) and next prime (13718946217).

It is not a de Polignac number, because 13718946213 - 2² = 13718946209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13718946217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 444481 + ... + 474342.

It is an arithmetic number, because the mean of its divisors is an integer number (735059200).

Almost surely, 2^13718946213 is an apocalyptic number.

It is an amenable number.

13718946213 is a deficient number, since it is larger than the sum of its proper divisors (9802948187).

13718946213 is an equidigital number, since it uses as much as digits as its factorization.

13718946213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918918 (or 918912 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The spelling of 13718946213 in words is "thirteen billion, seven hundred eighteen million, nine hundred forty-six thousand, two hundred thirteen".