42742243303 has 2 divisors, whose sum is σ = 42742243304. Its totient is φ = 42742243302.

The previous prime is 42742243277. The next prime is 42742243309. The reversal of 42742243303 is 30334224724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42742243303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42742243309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21371121651 + 21371121652.

It is an arithmetic number, because the mean of its divisors is an integer number (21371121652).

Almost surely, 2^42742243303 is an apocalyptic number.

42742243303 is a deficient number, since it is larger than the sum of its proper divisors (1).

42742243303 is an equidigital number, since it uses as much as digits as its factorization.

42742243303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 34.

The spelling of 42742243303 in words is "forty-two billion, seven hundred forty-two million, two hundred forty-three thousand, three hundred three".