42986994941 has 12 divisors (see below), whose sum is σ = 47337578652. Its totient is φ = 39006792000.

The previous prime is 42986994929. The next prime is 42986994977. The reversal of 42986994941 is 14949968924.

It can be written as a sum of positive squares in 2 ways, for example, as 25139370916 + 17847624025 = 158554^2 + 133595^2 .

It is not a de Polignac number, because 42986994941 - 2⁶ = 42986994877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42986994041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 262880 + ... + 393801.

It is an arithmetic number, because the mean of its divisors is an integer number (3944798221).

Almost surely, 2^42986994941 is an apocalyptic number.

It is an amenable number.

42986994941 is a deficient number, since it is larger than the sum of its proper divisors (4350583711).

42986994941 is a wasteful number, since it uses less digits than its factorization.

42986994941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657244 (or 657233 counting only the distinct ones).

The product of its digits is 40310784, while the sum is 65.

The spelling of 42986994941 in words is "forty-two billion, nine hundred eighty-six million, nine hundred ninety-four thousand, nine hundred forty-one".