42987493833 has 8 divisors (see below), whose sum is σ = 59808687168. Its totient is φ = 27412314864.

The previous prime is 42987493831. The next prime is 42987493847. The reversal of 42987493833 is 33839478924.

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

It is not a de Polignac number, because 42987493833 - 2¹ = 42987493831 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42987493831) 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, 311503510 + ... + 311503647.

It is an arithmetic number, because the mean of its divisors is an integer number (7476085896).

Almost surely, 2^42987493833 is an apocalyptic number.

It is an amenable number.

42987493833 is a deficient number, since it is larger than the sum of its proper divisors (16821193335).

42987493833 is a wasteful number, since it uses less digits than its factorization.

42987493833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623007183.

The product of its digits is 31352832, while the sum is 60.

The spelling of 42987493833 in words is "forty-two billion, nine hundred eighty-seven million, four hundred ninety-three thousand, eight hundred thirty-three".