42110105293 has 2 divisors, whose sum is σ = 42110105294. Its totient is φ = 42110105292.

The previous prime is 42110105227. The next prime is 42110105321. The reversal of 42110105293 is 39250101124.

It is an a-pointer prime, because the next prime (42110105321) can be obtained adding 42110105293 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22625574724 + 19484530569 = 150418^2 + 139587^2 .

It is a cyclic number.

It is not a de Polignac number, because 42110105293 - 2²¹ = 42108008141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42110105993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21055052646 + 21055052647.

It is an arithmetic number, because the mean of its divisors is an integer number (21055052647).

Almost surely, 2^42110105293 is an apocalyptic number.

It is an amenable number.

42110105293 is a deficient number, since it is larger than the sum of its proper divisors (1).

42110105293 is an equidigital number, since it uses as much as digits as its factorization.

42110105293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The spelling of 42110105293 in words is "forty-two billion, one hundred ten million, one hundred five thousand, two hundred ninety-three".