2173438126 has 8 divisors (see below), whose sum is σ = 3339673344. Its totient is φ = 1060213680.

The previous prime is 2173438109. The next prime is 2173438133. The reversal of 2173438126 is 6218343712.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13252590 + ... + 13252753.

It is an arithmetic number, because the mean of its divisors is an integer number (417459168).

Almost surely, 2^2173438126 is an apocalyptic number.

2173438126 is a deficient number, since it is larger than the sum of its proper divisors (1166235218).

2173438126 is a wasteful number, since it uses less digits than its factorization.

2173438126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26505386.

The product of its digits is 48384, while the sum is 37.

The square root of 2173438126 is about 46620.1472112648. The cubic root of 2173438126 is about 1295.3359744047.

It can be divided in two parts, 217 and 3438126, that added together give a palindrome (3438343).

The spelling of 2173438126 in words is "two billion, one hundred seventy-three million, four hundred thirty-eight thousand, one hundred twenty-six".