42759469 has 2 divisors, whose sum is σ = 42759470. Its totient is φ = 42759468.

The previous prime is 42759407. The next prime is 42759473. The reversal of 42759469 is 96495724.

42759469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41409225 + 1350244 = 6435^2 + 1162^2 .

It is a cyclic number.

It is not a de Polignac number, because 42759469 - 2¹⁹ = 42235181 is a prime.

It is a super-2 number, since 2×42759469² = 3656744378323922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42759169) 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, 21379734 + 21379735.

It is an arithmetic number, because the mean of its divisors is an integer number (21379735).

Almost surely, 2^42759469 is an apocalyptic number.

It is an amenable number.

42759469 is a deficient number, since it is larger than the sum of its proper divisors (1).

42759469 is an equidigital number, since it uses as much as digits as its factorization.

42759469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 46.

The square root of 42759469 is about 6539.0724877463. The cubic root of 42759469 is about 349.6853471413.

The spelling of 42759469 in words is "forty-two million, seven hundred fifty-nine thousand, four hundred sixty-nine".