42843690725 has 12 divisors (see below), whose sum is σ = 57955829280. Its totient is φ = 31159047600.

The previous prime is 42843690679. The next prime is 42843690727. The reversal of 42843690725 is 52709634824.

It is not a de Polignac number, because 42843690725 - 2¹⁶ = 42843625189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42843690727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77897345 + ... + 77897894.

It is an arithmetic number, because the mean of its divisors is an integer number (4829652440).

Almost surely, 2^42843690725 is an apocalyptic number.

It is an amenable number.

42843690725 is a deficient number, since it is larger than the sum of its proper divisors (15112138555).

42843690725 is a wasteful number, since it uses less digits than its factorization.

42843690725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155795260 (or 155795255 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 42843690725 in words is "forty-two billion, eight hundred forty-three million, six hundred ninety thousand, seven hundred twenty-five".