2126587849806 has 32 divisors (see below), whose sum is σ = 4860915556608. Its totient is φ = 607578612480.

The previous prime is 2126587849783. The next prime is 2126587849807. The reversal of 2126587849806 is 6089487856212.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126587849807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 729141 + ... + 2187423.

It is an arithmetic number, because the mean of its divisors is an integer number (151903611144).

Almost surely, 2^{2126587849806} is an apocalyptic number.

It is a pronic number, being equal to 1458282×1458283.

2126587849806 is an abundant number, since it is smaller than the sum of its proper divisors (2734327706802).

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

2126587849806 is a wasteful number, since it uses less digits than its factorization.

2126587849806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1493016.

The product of its (nonzero) digits is 92897280, while the sum is 66.

The spelling of 2126587849806 in words is "two trillion, one hundred twenty-six billion, five hundred eighty-seven million, eight hundred forty-nine thousand, eight hundred six".