42622642193 has 2 divisors, whose sum is σ = 42622642194. Its totient is φ = 42622642192.

The previous prime is 42622642189. The next prime is 42622642219. The reversal of 42622642193 is 39124622624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22671927184 + 19950715009 = 150572^2 + 141247^2 .

It is a cyclic number.

It is not a de Polignac number, because 42622642193 - 2² = 42622642189 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 42622642193.

It is not a weakly prime, because it can be changed into another prime (42622642123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21311321096 + 21311321097.

It is an arithmetic number, because the mean of its divisors is an integer number (21311321097).

Almost surely, 2^42622642193 is an apocalyptic number.

It is an amenable number.

42622642193 is a deficient number, since it is larger than the sum of its proper divisors (1).

42622642193 is an equidigital number, since it uses as much as digits as its factorization.

42622642193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 41.

The spelling of 42622642193 in words is "forty-two billion, six hundred twenty-two million, six hundred forty-two thousand, one hundred ninety-three".