42870261169 has 2 divisors, whose sum is σ = 42870261170. Its totient is φ = 42870261168.

The previous prime is 42870261163. The next prime is 42870261197. The reversal of 42870261169 is 96116207824.

42870261169 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., 38420704144 + 4449557025 = 196012^2 + 66705^2 .

It is a cyclic number.

It is not a de Polignac number, because 42870261169 - 2⁷ = 42870261041 is a prime.

It is a super-2 number, since 2×42870261169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42870261163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21435130584 + 21435130585.

It is an arithmetic number, because the mean of its divisors is an integer number (21435130585).

Almost surely, 2^42870261169 is an apocalyptic number.

It is an amenable number.

42870261169 is a deficient number, since it is larger than the sum of its proper divisors (1).

42870261169 is an equidigital number, since it uses as much as digits as its factorization.

42870261169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 42870261169 in words is "forty-two billion, eight hundred seventy million, two hundred sixty-one thousand, one hundred sixty-nine".