42497865593 has 2 divisors, whose sum is σ = 42497865594. Its totient is φ = 42497865592.

The previous prime is 42497865569. The next prime is 42497865617. The reversal of 42497865593 is 39556879424.

It is a balanced prime because it is at equal distance from previous prime (42497865569) and next prime (42497865617).

It can be written as a sum of positive squares in only one way, i.e., 27613133584 + 14884732009 = 166172^2 + 122003^2 .

It is a cyclic number.

It is not a de Polignac number, because 42497865593 - 2²⁸ = 42229430137 is a prime.

It is not a weakly prime, because it can be changed into another prime (42497865563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21248932796 + 21248932797.

It is an arithmetic number, because the mean of its divisors is an integer number (21248932797).

Almost surely, 2^42497865593 is an apocalyptic number.

It is an amenable number.

42497865593 is a deficient number, since it is larger than the sum of its proper divisors (1).

42497865593 is an equidigital number, since it uses as much as digits as its factorization.

42497865593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 65318400, while the sum is 62.

The spelling of 42497865593 in words is "forty-two billion, four hundred ninety-seven million, eight hundred sixty-five thousand, five hundred ninety-three".