2126692919 has 16 divisors (see below), whose sum is σ = 2409576960. Its totient is φ = 1863440640.

The previous prime is 2126692913. The next prime is 2126692921. The reversal of 2126692919 is 9192966212.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2126692919 - 2⁴ = 2126692903 is a prime.

It is a super-2 number, since 2×2126692919² = 9045645543449481122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126692913) 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 15 ways as a sum of consecutive naturals, for example, 34199 + ... + 73640.

It is an arithmetic number, because the mean of its divisors is an integer number (150598560).

Almost surely, 2^2126692919 is an apocalyptic number.

2126692919 is a deficient number, since it is larger than the sum of its proper divisors (282884041).

2126692919 is a wasteful number, since it uses less digits than its factorization.

2126692919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107930.

The product of its digits is 209952, while the sum is 47.

The square root of 2126692919 is about 46116.0809154464. The cubic root of 2126692919 is about 1285.9821142321.

The spelling of 2126692919 in words is "two billion, one hundred twenty-six million, six hundred ninety-two thousand, nine hundred nineteen".