2119264309 has 4 divisors (see below), whose sum is σ = 2119362700. Its totient is φ = 2119165920.

The previous prime is 2119264289. The next prime is 2119264327. The reversal of 2119264309 is 9034629112.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1509322500 + 609941809 = 38850^2 + 24697^2 .

It is a cyclic number.

It is not a de Polignac number, because 2119264309 - 2⁷ = 2119264181 is a prime.

It is a super-2 number, since 2×2119264309² = 8982562422802494962, 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 (2119264369) 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, 1422 + ... + 65119.

It is an arithmetic number, because the mean of its divisors is an integer number (529840675).

Almost surely, 2^2119264309 is an apocalyptic number.

It is an amenable number.

2119264309 is a deficient number, since it is larger than the sum of its proper divisors (98391).

2119264309 is an equidigital number, since it uses as much as digits as its factorization.

2119264309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98390.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2119264309 is about 46035.4679459219. The cubic root of 2119264309 is about 1284.4830411569.

The spelling of 2119264309 in words is "two billion, one hundred nineteen million, two hundred sixty-four thousand, three hundred nine".