6614281213 has 2 divisors, whose sum is σ = 6614281214. Its totient is φ = 6614281212.

The previous prime is 6614281153. The next prime is 6614281243. The reversal of 6614281213 is 3121824166.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5582779524 + 1031501689 = 74718^2 + 32117^2 .

It is a cyclic number.

It is not a de Polignac number, because 6614281213 - 2¹³ = 6614273021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6614281243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3307140606 + 3307140607.

It is an arithmetic number, because the mean of its divisors is an integer number (3307140607).

Almost surely, 2^6614281213 is an apocalyptic number.

It is an amenable number.

6614281213 is a deficient number, since it is larger than the sum of its proper divisors (1).

6614281213 is an equidigital number, since it uses as much as digits as its factorization.

6614281213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 34.

The square root of 6614281213 is about 81328.2313406605. The cubic root of 6614281213 is about 1877.1294290452.

The spelling of 6614281213 in words is "six billion, six hundred fourteen million, two hundred eighty-one thousand, two hundred thirteen".