42641383 has 2 divisors, whose sum is σ = 42641384. Its totient is φ = 42641382.

The previous prime is 42641381. The next prime is 42641419. The reversal of 42641383 is 38314624.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42641383 - 2¹ = 42641381 is a prime.

Together with 42641381, 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 (42641381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21320691 + 21320692.

It is an arithmetic number, because the mean of its divisors is an integer number (21320692).

Almost surely, 2^42641383 is an apocalyptic number.

42641383 is a deficient number, since it is larger than the sum of its proper divisors (1).

42641383 is an equidigital number, since it uses as much as digits as its factorization.

42641383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 31.

The square root of 42641383 is about 6530.0369830499. The cubic root of 42641383 is about 349.3631493895.

The spelling of 42641383 in words is "forty-two million, six hundred forty-one thousand, three hundred eighty-three".