422617445749 has 2 divisors, whose sum is σ = 422617445750. Its totient is φ = 422617445748.

The previous prime is 422617445707. The next prime is 422617445827. The reversal of 422617445749 is 947544716224.

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., 412750996849 + 9866448900 = 642457^2 + 99330^2 .

It is a cyclic number.

It is not a de Polignac number, because 422617445749 - 2¹⁵ = 422617412981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 422617445749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422617445149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211308722874 + 211308722875.

It is an arithmetic number, because the mean of its divisors is an integer number (211308722875).

Almost surely, 2^422617445749 is an apocalyptic number.

It is an amenable number.

422617445749 is a deficient number, since it is larger than the sum of its proper divisors (1).

422617445749 is an equidigital number, since it uses as much as digits as its factorization.

422617445749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13547520, while the sum is 55.

The spelling of 422617445749 in words is "four hundred twenty-two billion, six hundred seventeen million, four hundred forty-five thousand, seven hundred forty-nine".