42322664345761 has 2 divisors, whose sum is σ = 42322664345762. Its totient is φ = 42322664345760.

The previous prime is 42322664345743. The next prime is 42322664345771. The reversal of 42322664345761 is 16754346622324.

42322664345761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37949986046736 + 4372678299025 = 6160356^2 + 2091095^2 .

It is a cyclic number.

It is not a de Polignac number, because 42322664345761 - 2³⁹ = 41772908531873 is a prime.

It is not a weakly prime, because it can be changed into another prime (42322664345701) 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, 21161332172880 + 21161332172881.

It is an arithmetic number, because the mean of its divisors is an integer number (21161332172881).

Almost surely, 2^{42322664345761} is an apocalyptic number.

It is an amenable number.

42322664345761 is a deficient number, since it is larger than the sum of its proper divisors (1).

42322664345761 is an equidigital number, since it uses as much as digits as its factorization.

42322664345761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 34836480, while the sum is 55.

The spelling of 42322664345761 in words is "forty-two trillion, three hundred twenty-two billion, six hundred sixty-four million, three hundred forty-five thousand, seven hundred sixty-one".