6713222390449 has 2 divisors, whose sum is σ = 6713222390450. Its totient is φ = 6713222390448.

The previous prime is 6713222390417. The next prime is 6713222390551. The reversal of 6713222390449 is 9440932223176.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4692682387600 + 2020540002849 = 2166260^2 + 1421457^2 .

It is a cyclic number.

It is not a de Polignac number, because 6713222390449 - 2⁵ = 6713222390417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6713222390396 and 6713222390405.

It is not a weakly prime, because it can be changed into another prime (6713222399449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3356611195224 + 3356611195225.

It is an arithmetic number, because the mean of its divisors is an integer number (3356611195225).

Almost surely, 2^{6713222390449} is an apocalyptic number.

It is an amenable number.

6713222390449 is a deficient number, since it is larger than the sum of its proper divisors (1).

6713222390449 is an equidigital number, since it uses as much as digits as its factorization.

6713222390449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3919104, while the sum is 52.

The spelling of 6713222390449 in words is "six trillion, seven hundred thirteen billion, two hundred twenty-two million, three hundred ninety thousand, four hundred forty-nine".