2126555029 has 4 divisors (see below), whose sum is σ = 2132107776. Its totient is φ = 2121002284.

The previous prime is 2126554951. The next prime is 2126555033. The reversal of 2126555029 is 9205556212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2126555029 - 2¹³ = 2126546837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126553029) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2775799 + ... + 2776564.

It is an arithmetic number, because the mean of its divisors is an integer number (533026944).

Almost surely, 2^2126555029 is an apocalyptic number.

It is an amenable number.

2126555029 is a deficient number, since it is larger than the sum of its proper divisors (5552747).

2126555029 is an equidigital number, since it uses as much as digits as its factorization.

2126555029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5552746.

The product of its (nonzero) digits is 54000, while the sum is 37.

The square root of 2126555029 is about 46114.5858595738. The cubic root of 2126555029 is about 1285.9543202325.

The spelling of 2126555029 in words is "two billion, one hundred twenty-six million, five hundred fifty-five thousand, twenty-nine".