2126273685 has 8 divisors (see below), whose sum is σ = 3402037920. Its totient is φ = 1134012624.

The previous prime is 2126273629. The next prime is 2126273689. The reversal of 2126273685 is 5863726212.

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

It is not a de Polignac number, because 2126273685 - 2⁹ = 2126273173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126273689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70875775 + ... + 70875804.

It is an arithmetic number, because the mean of its divisors is an integer number (425254740).

Almost surely, 2^2126273685 is an apocalyptic number.

It is an amenable number.

2126273685 is a deficient number, since it is larger than the sum of its proper divisors (1275764235).

2126273685 is a wasteful number, since it uses less digits than its factorization.

2126273685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141751587.

The product of its digits is 241920, while the sum is 42.

The square root of 2126273685 is about 46111.5352704722. The cubic root of 2126273685 is about 1285.8976069907.

Adding to 2126273685 its reverse (5863726212), we get a palindrome (7989999897).

The spelling of 2126273685 in words is "two billion, one hundred twenty-six million, two hundred seventy-three thousand, six hundred eighty-five".