42956981935 has 16 divisors (see below), whose sum is σ = 59658163200. Its totient is φ = 29083350816.

The previous prime is 42956981891. The next prime is 42956981957. The reversal of 42956981935 is 53918965924.

It is a cyclic number.

It is not a de Polignac number, because 42956981935 - 2⁷ = 42956981807 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7765225 + ... + 7770754.

It is an arithmetic number, because the mean of its divisors is an integer number (3728635200).

Almost surely, 2^42956981935 is an apocalyptic number.

42956981935 is a deficient number, since it is larger than the sum of its proper divisors (16701181265).

42956981935 is a wasteful number, since it uses less digits than its factorization.

42956981935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15536070.

The product of its digits is 20995200, while the sum is 61.

The spelling of 42956981935 in words is "forty-two billion, nine hundred fifty-six million, nine hundred eighty-one thousand, nine hundred thirty-five".