4638013388375 has 8 divisors (see below), whose sum is σ = 5788240708848. Its totient is φ = 3710410710600.

The previous prime is 4638013388279. The next prime is 4638013388377. The reversal of 4638013388375 is 5738833108364.

It is a de Polignac number, because none of the positive numbers 2^k-4638013388375 is a prime.

It is a super-2 number, since 2×4638013388375² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4638013388377) 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, 18552053429 + ... + 18552053678.

It is an arithmetic number, because the mean of its divisors is an integer number (723530088606).

Almost surely, 2^{4638013388375} is an apocalyptic number.

4638013388375 is a deficient number, since it is larger than the sum of its proper divisors (1150227320473).

4638013388375 is an equidigital number, since it uses as much as digits as its factorization.

4638013388375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37104107122 (or 37104107112 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 59.

The spelling of 4638013388375 in words is "four trillion, six hundred thirty-eight billion, thirteen million, three hundred eighty-eight thousand, three hundred seventy-five".