42484369 has 2 divisors, whose sum is σ = 42484370. Its totient is φ = 42484368.

The previous prime is 42484367. The next prime is 42484433. The reversal of 42484369 is 96348424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23648769 + 18835600 = 4863^2 + 4340^2 .

It is a cyclic number.

It is not a de Polignac number, because 42484369 - 2¹ = 42484367 is a prime.

It is a super-2 number, since 2×42484369² = 3609843218656322, which contains 22 as substring.

Together with 42484367, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (42484363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21242184 + 21242185.

It is an arithmetic number, because the mean of its divisors is an integer number (21242185).

Almost surely, 2^42484369 is an apocalyptic number.

It is an amenable number.

42484369 is a deficient number, since it is larger than the sum of its proper divisors (1).

42484369 is an equidigital number, since it uses as much as digits as its factorization.

42484369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 40.

The square root of 42484369 is about 6518.0034519782. The cubic root of 42484369 is about 348.9338139364.

The spelling of 42484369 in words is "forty-two million, four hundred eighty-four thousand, three hundred sixty-nine".