201842223629 has 2 divisors, whose sum is σ = 201842223630. Its totient is φ = 201842223628.

The previous prime is 201842223607. The next prime is 201842223719. The reversal of 201842223629 is 926322248102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194948740900 + 6893482729 = 441530^2 + 83027^2 .

It is a cyclic number.

It is not a de Polignac number, because 201842223629 - 2²⁸ = 201573788173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201842253629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100921111814 + 100921111815.

It is an arithmetic number, because the mean of its divisors is an integer number (100921111815).

Almost surely, 2^201842223629 is an apocalyptic number.

It is an amenable number.

201842223629 is a deficient number, since it is larger than the sum of its proper divisors (1).

201842223629 is an equidigital number, since it uses as much as digits as its factorization.

201842223629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 201842223629 in words is "two hundred one billion, eight hundred forty-two million, two hundred twenty-three thousand, six hundred twenty-nine".