42242424437 has 2 divisors, whose sum is σ = 42242424438. Its totient is φ = 42242424436.

The previous prime is 42242424431. The next prime is 42242424467. The reversal of 42242424437 is 73442424224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35771669956 + 6470754481 = 189134^2 + 80441^2 .

It is a cyclic number.

It is not a de Polignac number, because 42242424437 - 2¹⁶ = 42242358901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42242424437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42242424431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21121212218 + 21121212219.

It is an arithmetic number, because the mean of its divisors is an integer number (21121212219).

Almost surely, 2^42242424437 is an apocalyptic number.

It is an amenable number.

42242424437 is a deficient number, since it is larger than the sum of its proper divisors (1).

42242424437 is an equidigital number, since it uses as much as digits as its factorization.

42242424437 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 344064, while the sum is 38.

The spelling of 42242424437 in words is "forty-two billion, two hundred forty-two million, four hundred twenty-four thousand, four hundred thirty-seven".