42810716021 has 8 divisors (see below), whose sum is σ = 46383156864. Its totient is φ = 39355404480.

The previous prime is 42810715999. The next prime is 42810716083. The reversal of 42810716021 is 12061701824.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42810716021 - 2¹⁰ = 42810714997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42810716321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29281565 + ... + 29283026.

It is an arithmetic number, because the mean of its divisors is an integer number (5797894608).

Almost surely, 2^42810716021 is an apocalyptic number.

It is an amenable number.

42810716021 is a deficient number, since it is larger than the sum of its proper divisors (3572440843).

42810716021 is a wasteful number, since it uses less digits than its factorization.

42810716021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58564651.

The product of its (nonzero) digits is 5376, while the sum is 32.

The spelling of 42810716021 in words is "forty-two billion, eight hundred ten million, seven hundred sixteen thousand, twenty-one".