42788984213 has 2 divisors, whose sum is σ = 42788984214. Its totient is φ = 42788984212.

The previous prime is 42788984137. The next prime is 42788984233. The reversal of 42788984213 is 31248988724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 24886009009 + 17902975204 = 157753^2 + 133802^2 .

It is a cyclic number.

It is not a de Polignac number, because 42788984213 - 2¹⁸ = 42788722069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42788984233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21394492106 + 21394492107.

It is an arithmetic number, because the mean of its divisors is an integer number (21394492107).

Almost surely, 2^42788984213 is an apocalyptic number.

It is an amenable number.

42788984213 is a deficient number, since it is larger than the sum of its proper divisors (1).

42788984213 is an equidigital number, since it uses as much as digits as its factorization.

42788984213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6193152, while the sum is 56.

The spelling of 42788984213 in words is "forty-two billion, seven hundred eighty-eight million, nine hundred eighty-four thousand, two hundred thirteen".