47250813638 has 32 divisors (see below), whose sum is σ = 81835161408. Its totient is φ = 20042064000.

The previous prime is 47250813619. The next prime is 47250813679. The reversal of 47250813638 is 83631805274.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 47250813592 and 47250813601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5002256 + ... + 5011692.

It is an arithmetic number, because the mean of its divisors is an integer number (2557348794).

Almost surely, 2^47250813638 is an apocalyptic number.

47250813638 is a deficient number, since it is larger than the sum of its proper divisors (34584347770).

47250813638 is a wasteful number, since it uses less digits than its factorization.

47250813638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13088.

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 47250813638 in words is "forty-seven billion, two hundred fifty million, eight hundred thirteen thousand, six hundred thirty-eight".