42973987900 has 18 divisors (see below), whose sum is σ = 93253553960. Its totient is φ = 17189595120.

The previous prime is 42973987877. The next prime is 42973987907. The reversal of 42973987900 is 978937924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42973987907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 214869840 + ... + 214870039.

Almost surely, 2^42973987900 is an apocalyptic number.

It is an amenable number.

42973987900 is an abundant number, since it is smaller than the sum of its proper divisors (50279566060).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42973987900 is a wasteful number, since it uses less digits than its factorization.

42973987900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429739893 (or 429739886 counting only the distinct ones).

The product of its (nonzero) digits is 6858432, while the sum is 58.

The spelling of 42973987900 in words is "forty-two billion, nine hundred seventy-three million, nine hundred eighty-seven thousand, nine hundred".