14721784213 has 2 divisors, whose sum is σ = 14721784214. Its totient is φ = 14721784212.

The previous prime is 14721784211. The next prime is 14721784249. The reversal of 14721784213 is 31248712741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14505311844 + 216472369 = 120438^2 + 14713^2 .

It is a cyclic number.

It is not a de Polignac number, because 14721784213 - 2¹ = 14721784211 is a prime.

Together with 14721784211, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14721784211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7360892106 + 7360892107.

It is an arithmetic number, because the mean of its divisors is an integer number (7360892107).

Almost surely, 2^14721784213 is an apocalyptic number.

It is an amenable number.

14721784213 is a deficient number, since it is larger than the sum of its proper divisors (1).

14721784213 is an equidigital number, since it uses as much as digits as its factorization.

14721784213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 40.

The spelling of 14721784213 in words is "fourteen billion, seven hundred twenty-one million, seven hundred eighty-four thousand, two hundred thirteen".