2123382669 has 4 divisors (see below), whose sum is σ = 2831176896. Its totient is φ = 1415588444.

The previous prime is 2123382649. The next prime is 2123382673. The reversal of 2123382669 is 9662833212.

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 2123382669 - 2⁸ = 2123382413 is a prime.

It is a super-2 number, since 2×2123382669² = 9017507918019127122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2123382669.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123382629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353897109 + ... + 353897114.

It is an arithmetic number, because the mean of its divisors is an integer number (707794224).

Almost surely, 2^2123382669 is an apocalyptic number.

It is an amenable number.

2123382669 is a deficient number, since it is larger than the sum of its proper divisors (707794227).

2123382669 is an equidigital number, since it uses as much as digits as its factorization.

2123382669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707794226.

The product of its digits is 186624, while the sum is 42.

The square root of 2123382669 is about 46080.1765296098. The cubic root of 2123382669 is about 1285.3145467873.

The spelling of 2123382669 in words is "two billion, one hundred twenty-three million, three hundred eighty-two thousand, six hundred sixty-nine".