4238051388687 has 24 divisors (see below), whose sum is σ = 6484315821984. Its totient is φ = 2658106865664.

The previous prime is 4238051388673. The next prime is 4238051388691. The reversal of 4238051388687 is 7868831508324.

4238051388687 is a `hidden beast` number, since 4 + 2 + 38 + 0 + 513 + 8 + 8 + 6 + 87 = 666.

It is not a de Polignac number, because 4238051388687 - 2⁷ = 4238051388559 is a prime.

It is a super-2 number, since 2×4238051388687² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4238051368687) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5150338 + ... + 5916255.

It is an arithmetic number, because the mean of its divisors is an integer number (270179825916).

Almost surely, 2^{4238051388687} is an apocalyptic number.

4238051388687 is a deficient number, since it is larger than the sum of its proper divisors (2246264433297).

4238051388687 is a wasteful number, since it uses less digits than its factorization.

4238051388687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11069119 (or 11069116 counting only the distinct ones).

The product of its (nonzero) digits is 61931520, while the sum is 63.

The spelling of 4238051388687 in words is "four trillion, two hundred thirty-eight billion, fifty-one million, three hundred eighty-eight thousand, six hundred eighty-seven".