42484669 has 2 divisors, whose sum is σ = 42484670. Its totient is φ = 42484668.

The previous prime is 42484667. The next prime is 42484679. The reversal of 42484669 is 96648424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36905625 + 5579044 = 6075^2 + 2362^2 .

It is a cyclic number.

It is not a de Polignac number, because 42484669 - 2¹ = 42484667 is a prime.

It is a super-2 number, since 2×42484669² = 3609894200079122, which contains 22 as substring.

Together with 42484667, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42484667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21242334 + 21242335.

It is an arithmetic number, because the mean of its divisors is an integer number (21242335).

Almost surely, 2^42484669 is an apocalyptic number.

It is an amenable number.

42484669 is a deficient number, since it is larger than the sum of its proper divisors (1).

42484669 is an equidigital number, since it uses as much as digits as its factorization.

42484669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 331776, while the sum is 43.

The square root of 42484669 is about 6518.0264651196. The cubic root of 42484669 is about 348.9346352573.

The spelling of 42484669 in words is "forty-two million, four hundred eighty-four thousand, six hundred sixty-nine".