42049463 has 2 divisors, whose sum is σ = 42049464. Its totient is φ = 42049462.

The previous prime is 42049457. The next prime is 42049487. The reversal of 42049463 is 36494024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42049463 - 2¹⁶ = 41983927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42049433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21024731 + 21024732.

It is an arithmetic number, because the mean of its divisors is an integer number (21024732).

Almost surely, 2^42049463 is an apocalyptic number.

42049463 is a deficient number, since it is larger than the sum of its proper divisors (1).

42049463 is an equidigital number, since it uses as much as digits as its factorization.

42049463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 42049463 is about 6484.5557288067. Note that the first 3 decimals coincide. The cubic root of 42049463 is about 347.7390670718.

The spelling of 42049463 in words is "forty-two million, forty-nine thousand, four hundred sixty-three".