4239993687 has 8 divisors (see below), whose sum is σ = 5674821504. Its totient is φ = 2815914168.

The previous prime is 4239993677. The next prime is 4239993701. The reversal of 4239993687 is 7863999324.

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

It is not a de Polignac number, because 4239993687 - 2²⁰ = 4238945111 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4239993687.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4239993677) 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, 2686153 + ... + 2687730.

It is an arithmetic number, because the mean of its divisors is an integer number (709352688).

Almost surely, 2^4239993687 is an apocalyptic number.

4239993687 is a deficient number, since it is larger than the sum of its proper divisors (1434827817).

4239993687 is a wasteful number, since it uses less digits than its factorization.

4239993687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5374149.

The product of its digits is 17635968, while the sum is 60.

The square root of 4239993687 is about 65115.2339088174. The cubic root of 4239993687 is about 1618.5336636261.

The spelling of 4239993687 in words is "four billion, two hundred thirty-nine million, nine hundred ninety-three thousand, six hundred eighty-seven".