9987142033 has 8 divisors (see below), whose sum is σ = 10910439360. Its totient is φ = 9066407280.

The previous prime is 9987142027. The next prime is 9987142049. The reversal of 9987142033 is 3302417899.

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 9987142033 - 2¹³ = 9987133841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9987182033) 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, 632485 + ... + 648082.

It is an arithmetic number, because the mean of its divisors is an integer number (1363804920).

Almost surely, 2^9987142033 is an apocalyptic number.

It is an amenable number.

9987142033 is a deficient number, since it is larger than the sum of its proper divisors (923297327).

9987142033 is a wasteful number, since it uses less digits than its factorization.

9987142033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281287.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 9987142033 is about 99935.6894857888. The cubic root of 9987142033 is about 2153.5109056474.

The spelling of 9987142033 in words is "nine billion, nine hundred eighty-seven million, one hundred forty-two thousand, thirty-three".