2126609888 has 48 divisors (see below), whose sum is σ = 4512848256. Its totient is φ = 980636160.

The previous prime is 2126609887. The next prime is 2126609909. The reversal of 2126609888 is 8889066212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126609887) 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, 819473 + ... + 822063.

It is an arithmetic number, because the mean of its divisors is an integer number (94017672).

Almost surely, 2^2126609888 is an apocalyptic number.

It is an amenable number.

2126609888 is an abundant number, since it is smaller than the sum of its proper divisors (2386238368).

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

2126609888 is a wasteful number, since it uses less digits than its factorization.

2126609888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4587 (or 4579 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 50.

The square root of 2126609888 is about 46115.1806675416. The cubic root of 2126609888 is about 1285.9653781110.

The spelling of 2126609888 in words is "two billion, one hundred twenty-six million, six hundred nine thousand, eight hundred eighty-eight".