42302242188949 has 2 divisors, whose sum is σ = 42302242188950. Its totient is φ = 42302242188948.

The previous prime is 42302242188937. The next prime is 42302242188953. The reversal of 42302242188949 is 94988124220324.

42302242188949 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., 41730695604900 + 571546584049 = 6459930^2 + 756007^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42302242188949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42302242188893 and 42302242188902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42302242188929) 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, 21151121094474 + 21151121094475.

It is an arithmetic number, because the mean of its divisors is an integer number (21151121094475).

Almost surely, 2^{42302242188949} is an apocalyptic number.

It is an amenable number.

42302242188949 is a deficient number, since it is larger than the sum of its proper divisors (1).

42302242188949 is an equidigital number, since it uses as much as digits as its factorization.

42302242188949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15925248, while the sum is 58.

The spelling of 42302242188949 in words is "forty-two trillion, three hundred two billion, two hundred forty-two million, one hundred eighty-eight thousand, nine hundred forty-nine".