42042224093 has 2 divisors, whose sum is σ = 42042224094. Its totient is φ = 42042224092.

The previous prime is 42042224069. The next prime is 42042224137. The reversal of 42042224093 is 39042224024.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40088849284 + 1953374809 = 200222^2 + 44197^2 .

It is a cyclic number.

It is not a de Polignac number, because 42042224093 - 2³² = 37747256797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42042224033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21021112046 + 21021112047.

It is an arithmetic number, because the mean of its divisors is an integer number (21021112047).

Almost surely, 2^42042224093 is an apocalyptic number.

It is an amenable number.

42042224093 is a deficient number, since it is larger than the sum of its proper divisors (1).

42042224093 is an equidigital number, since it uses as much as digits as its factorization.

42042224093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 42042224093 in words is "forty-two billion, forty-two million, two hundred twenty-four thousand, ninety-three".