42655340159 has 2 divisors, whose sum is σ = 42655340160. Its totient is φ = 42655340158.

The previous prime is 42655340141. The next prime is 42655340179. The reversal of 42655340159 is 95104355624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42655340159 - 2¹² = 42655336063 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42655340179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21327670079 + 21327670080.

It is an arithmetic number, because the mean of its divisors is an integer number (21327670080).

Almost surely, 2^42655340159 is an apocalyptic number.

42655340159 is a deficient number, since it is larger than the sum of its proper divisors (1).

42655340159 is an equidigital number, since it uses as much as digits as its factorization.

42655340159 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 42655340159 in words is "forty-two billion, six hundred fifty-five million, three hundred forty thousand, one hundred fifty-nine".