42910447 has 2 divisors, whose sum is σ = 42910448. Its totient is φ = 42910446.

The previous prime is 42910429. The next prime is 42910451. The reversal of 42910447 is 74401924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42910447 - 2¹⁹ = 42386159 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42910457) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21455223 + 21455224.

It is an arithmetic number, because the mean of its divisors is an integer number (21455224).

Almost surely, 2^42910447 is an apocalyptic number.

42910447 is a deficient number, since it is larger than the sum of its proper divisors (1).

42910447 is an equidigital number, since it uses as much as digits as its factorization.

42910447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 42910447 is about 6550.6066131313. The cubic root of 42910447 is about 350.0964278527.

The spelling of 42910447 in words is "forty-two million, nine hundred ten thousand, four hundred forty-seven".