42102432269 has 2 divisors, whose sum is σ = 42102432270. Its totient is φ = 42102432268.

The previous prime is 42102432223. The next prime is 42102432311. The reversal of 42102432269 is 96223420124.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31944412900 + 10158019369 = 178730^2 + 100787^2 .

It is a cyclic number.

It is not a de Polignac number, because 42102432269 - 2³² = 37807464973 is a prime.

It is a super-2 number, since 2×42102432269² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42102432469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21051216134 + 21051216135.

It is an arithmetic number, because the mean of its divisors is an integer number (21051216135).

Almost surely, 2^42102432269 is an apocalyptic number.

It is an amenable number.

42102432269 is a deficient number, since it is larger than the sum of its proper divisors (1).

42102432269 is an equidigital number, since it uses as much as digits as its factorization.

42102432269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 42102432269 in words is "forty-two billion, one hundred two million, four hundred thirty-two thousand, two hundred sixty-nine".