4987391233 has 8 divisors (see below), whose sum is σ = 5506343136. Its totient is φ = 4479364800.

The previous prime is 4987391221. The next prime is 4987391239. The reversal of 4987391233 is 3321937894.

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 4987391233 - 2⁹ = 4987390721 is a prime.

It is a super-2 number, since 2×4987391233² = 49748142622010520578, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4987391239) 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, 2730408 + ... + 2732233.

It is an arithmetic number, because the mean of its divisors is an integer number (688292892).

Almost surely, 2^4987391233 is an apocalyptic number.

It is an amenable number.

4987391233 is a deficient number, since it is larger than the sum of its proper divisors (518951903).

4987391233 is a wasteful number, since it uses less digits than its factorization.

4987391233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462735.

The product of its digits is 979776, while the sum is 49.

The square root of 4987391233 is about 70621.4643929167. The cubic root of 4987391233 is about 1708.5373575233.

The spelling of 4987391233 in words is "four billion, nine hundred eighty-seven million, three hundred ninety-one thousand, two hundred thirty-three".