42444212093 has 2 divisors, whose sum is σ = 42444212094. Its totient is φ = 42444212092.

The previous prime is 42444212071. The next prime is 42444212113. The reversal of 42444212093 is 39021244424.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25034201284 + 17410010809 = 158222^2 + 131947^2 .

It is a cyclic number.

It is not a de Polignac number, because 42444212093 - 2¹² = 42444207997 is a prime.

It is a super-2 number, since 2×42444212093² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42444212693) 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, 21222106046 + 21222106047.

It is an arithmetic number, because the mean of its divisors is an integer number (21222106047).

Almost surely, 2^42444212093 is an apocalyptic number.

It is an amenable number.

42444212093 is a deficient number, since it is larger than the sum of its proper divisors (1).

42444212093 is an equidigital number, since it uses as much as digits as its factorization.

42444212093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 42444212093 in words is "forty-two billion, four hundred forty-four million, two hundred twelve thousand, ninety-three".