2126236069 has 8 divisors (see below), whose sum is σ = 2161846008. Its totient is φ = 2090650560.

The previous prime is 2126236061. The next prime is 2126236111. The reversal of 2126236069 is 9606326212.

It can be written as a sum of positive squares in 4 ways, for example, as 106812225 + 2019423844 = 10335^2 + 44938^2 .

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

It is not a de Polignac number, because 2126236069 - 2³ = 2126236061 is a prime.

It is a super-2 number, since 2×2126236069² = 9041759642233145522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126236061) 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, 279099 + ... + 286615.

It is an arithmetic number, because the mean of its divisors is an integer number (270230751).

Almost surely, 2^2126236069 is an apocalyptic number.

It is an amenable number.

2126236069 is a deficient number, since it is larger than the sum of its proper divisors (35609939).

2126236069 is an equidigital number, since it uses as much as digits as its factorization.

2126236069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12215.

The product of its (nonzero) digits is 46656, while the sum is 37.

The square root of 2126236069 is about 46111.1273880828. The cubic root of 2126236069 is about 1285.8900239892.

The spelling of 2126236069 in words is "two billion, one hundred twenty-six million, two hundred thirty-six thousand, sixty-nine".