6422317493 has 2 divisors, whose sum is σ = 6422317494. Its totient is φ = 6422317492.

The previous prime is 6422317469. The next prime is 6422317529. The reversal of 6422317493 is 3947132246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3816521284 + 2605796209 = 61778^2 + 51047^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6422317493 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 6422317493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6422317463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3211158746 + 3211158747.

It is an arithmetic number, because the mean of its divisors is an integer number (3211158747).

Almost surely, 2^6422317493 is an apocalyptic number.

It is an amenable number.

6422317493 is a deficient number, since it is larger than the sum of its proper divisors (1).

6422317493 is an equidigital number, since it uses as much as digits as its factorization.

6422317493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 41.

The square root of 6422317493 is about 80139.3629435623. The cubic root of 6422317493 is about 1858.7911261696.

The spelling of 6422317493 in words is "six billion, four hundred twenty-two million, three hundred seventeen thousand, four hundred ninety-three".