2109948392 has 16 divisors (see below), whose sum is σ = 3957149700. Its totient is φ = 1054708480.

The previous prime is 2109948361. The next prime is 2109948397. The reversal of 2109948392 is 2938499012.

It can be written as a sum of positive squares in 2 ways, for example, as 2080636996 + 29311396 = 45614^2 + 5414^2 .

It is a super-3 number, since 3×2109948392³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2109948397) 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, 2834 + ... + 65022.

Almost surely, 2^2109948392 is an apocalyptic number.

It is an amenable number.

2109948392 is a deficient number, since it is larger than the sum of its proper divisors (1847201308).

2109948392 is a wasteful number, since it uses less digits than its factorization.

2109948392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66436 (or 66432 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 47.

The square root of 2109948392 is about 45934.1745544643. The cubic root of 2109948392 is about 1282.5981552904.

The spelling of 2109948392 in words is "two billion, one hundred nine million, nine hundred forty-eight thousand, three hundred ninety-two".