42058595849 has 2 divisors, whose sum is σ = 42058595850. Its totient is φ = 42058595848.

The previous prime is 42058595809. The next prime is 42058595911. The reversal of 42058595849 is 94859585024.

42058595849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37775809600 + 4282786249 = 194360^2 + 65443^2 .

It is a cyclic number.

It is not a de Polignac number, because 42058595849 - 2¹⁶ = 42058530313 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (42058595809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21029297924 + 21029297925.

It is an arithmetic number, because the mean of its divisors is an integer number (21029297925).

Almost surely, 2^42058595849 is an apocalyptic number.

It is an amenable number.

42058595849 is a deficient number, since it is larger than the sum of its proper divisors (1).

42058595849 is an equidigital number, since it uses as much as digits as its factorization.

42058595849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736000, while the sum is 59.

The spelling of 42058595849 in words is "forty-two billion, fifty-eight million, five hundred ninety-five thousand, eight hundred forty-nine".