2126679732 has 72 divisors (see below), whose sum is σ = 5698622720. Its totient is φ = 685164960.

The previous prime is 2126679689. The next prime is 2126679743. The reversal of 2126679732 is 2379766212.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2667958 + ... + 2668754.

Almost surely, 2^2126679732 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2126679732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2849311360).

2126679732 is an abundant number, since it is smaller than the sum of its proper divisors (3571942988).

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

2126679732 is an equidigital number, since it uses as much as digits as its factorization.

2126679732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1638 (or 833 counting only the distinct ones).

The product of its digits is 381024, while the sum is 45.

The square root of 2126679732 is about 46115.9379390683. The cubic root of 2126679732 is about 1285.9794562271.

The spelling of 2126679732 in words is "two billion, one hundred twenty-six million, six hundred seventy-nine thousand, seven hundred thirty-two".