842622674429 has 2 divisors, whose sum is σ = 842622674430. Its totient is φ = 842622674428.

The previous prime is 842622674417. The next prime is 842622674459. The reversal of 842622674429 is 924476226248.

842622674429 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 606960971929 + 235661702500 = 779077^2 + 485450^2 .

It is a cyclic number.

It is not a de Polignac number, because 842622674429 - 2¹² = 842622670333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (842622674459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 421311337214 + 421311337215.

It is an arithmetic number, because the mean of its divisors is an integer number (421311337215).

Almost surely, 2^842622674429 is an apocalyptic number.

It is an amenable number.

842622674429 is a deficient number, since it is larger than the sum of its proper divisors (1).

842622674429 is an equidigital number, since it uses as much as digits as its factorization.

842622674429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18579456, while the sum is 56.

The spelling of 842622674429 in words is "eight hundred forty-two billion, six hundred twenty-two million, six hundred seventy-four thousand, four hundred twenty-nine".