2119191366 has 32 divisors (see below), whose sum is σ = 4332423168. Its totient is φ = 690750720.

The previous prime is 2119191343. The next prime is 2119191367. The reversal of 2119191366 is 6631919112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119191367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398646 + ... + 403926.

It is an arithmetic number, because the mean of its divisors is an integer number (135388224).

Almost surely, 2^2119191366 is an apocalyptic number.

2119191366 is an abundant number, since it is smaller than the sum of its proper divisors (2213231802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2119191366 is a wasteful number, since it uses less digits than its factorization.

2119191366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6756.

The product of its digits is 17496, while the sum is 39.

The square root of 2119191366 is about 46034.6756912656. The cubic root of 2119191366 is about 1284.4683041055.

The spelling of 2119191366 in words is "two billion, one hundred nineteen million, one hundred ninety-one thousand, three hundred sixty-six".