4752566544638 has 8 divisors (see below), whose sum is σ = 7776927073080. Its totient is φ = 2160257520280.

The previous prime is 4752566544631. The next prime is 4752566544673. The reversal of 4752566544638 is 8364456652574.

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

It is a super-2 number, since 2×4752566544638² (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 (4752566544631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108012875993 + ... + 108012876036.

It is an arithmetic number, because the mean of its divisors is an integer number (972115884135).

Almost surely, 2^{4752566544638} is an apocalyptic number.

4752566544638 is a deficient number, since it is larger than the sum of its proper divisors (3024360528442).

4752566544638 is a wasteful number, since it uses less digits than its factorization.

4752566544638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216025752042.

The product of its digits is 580608000, while the sum is 65.

The spelling of 4752566544638 in words is "four trillion, seven hundred fifty-two billion, five hundred sixty-six million, five hundred forty-four thousand, six hundred thirty-eight".