42032430169 has 2 divisors, whose sum is σ = 42032430170. Its totient is φ = 42032430168.

The previous prime is 42032430161. The next prime is 42032430179. The reversal of 42032430169 is 96103423024.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38666109769 + 3366320400 = 196637^2 + 58020^2 .

It is a cyclic number.

It is not a de Polignac number, because 42032430169 - 2³ = 42032430161 is a prime.

It is a super-2 number, since 2×42032430169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42032430161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21016215084 + 21016215085.

It is an arithmetic number, because the mean of its divisors is an integer number (21016215085).

Almost surely, 2^42032430169 is an apocalyptic number.

It is an amenable number.

42032430169 is a deficient number, since it is larger than the sum of its proper divisors (1).

42032430169 is an equidigital number, since it uses as much as digits as its factorization.

42032430169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 34.

The spelling of 42032430169 in words is "forty-two billion, thirty-two million, four hundred thirty thousand, one hundred sixty-nine".