4172830638 has 16 divisors (see below), whose sum is σ = 8358449616. Its totient is φ = 1388812160.

The previous prime is 4172830633. The next prime is 4172830643. The reversal of 4172830638 is 8360382714.

It is an interprime number because it is at equal distance from previous prime (4172830633) and next prime (4172830643).

It is a super-3 number, since 3×4172830638³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4172830638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4172830633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 528603 + ... + 536438.

It is an arithmetic number, because the mean of its divisors is an integer number (522403101).

Almost surely, 2^4172830638 is an apocalyptic number.

4172830638 is an abundant number, since it is smaller than the sum of its proper divisors (4185618978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4172830638 is a wasteful number, since it uses less digits than its factorization.

4172830638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065699.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 4172830638 is about 64597.4507082129. The cubic root of 4172830638 is about 1609.9420832271.

The spelling of 4172830638 in words is "four billion, one hundred seventy-two million, eight hundred thirty thousand, six hundred thirty-eight".