42982261803 has 24 divisors (see below), whose sum is σ = 66868867520. Its totient is φ = 26447627520.

The previous prime is 42982261801. The next prime is 42982261807. The reversal of 42982261803 is 30816228924.

42982261803 is a `hidden beast` number, since 4 + 2 + 9 + 8 + 22 + 618 + 0 + 3 = 666.

It is not a de Polignac number, because 42982261803 - 2¹ = 42982261801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42982261801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1473918 + ... + 1502796.

Almost surely, 2^42982261803 is an apocalyptic number.

42982261803 is a deficient number, since it is larger than the sum of its proper divisors (23886605717).

42982261803 is a wasteful number, since it uses less digits than its factorization.

42982261803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41619 (or 41616 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 45.

The spelling of 42982261803 in words is "forty-two billion, nine hundred eighty-two million, two hundred sixty-one thousand, eight hundred three".