42225265469 has 2 divisors, whose sum is σ = 42225265470. Its totient is φ = 42225265468.

The previous prime is 42225265427. The next prime is 42225265471. The reversal of 42225265469 is 96456252224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31002405625 + 11222859844 = 176075^2 + 105938^2 .

It is a cyclic number.

It is not a de Polignac number, because 42225265469 - 2¹² = 42225261373 is a prime.

It is a super-2 number, since 2×42225265469² (a number of 22 digits) contains 22 as substring.

Together with 42225265471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42225265769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21112632734 + 21112632735.

It is an arithmetic number, because the mean of its divisors is an integer number (21112632735).

Almost surely, 2^42225265469 is an apocalyptic number.

It is an amenable number.

42225265469 is a deficient number, since it is larger than the sum of its proper divisors (1).

42225265469 is an equidigital number, since it uses as much as digits as its factorization.

42225265469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2073600, while the sum is 47.

The spelling of 42225265469 in words is "forty-two billion, two hundred twenty-five million, two hundred sixty-five thousand, four hundred sixty-nine".