2119782297 has 16 divisors (see below), whose sum is σ = 2894757120. Its totient is φ = 1379169792.

The previous prime is 2119782277. The next prime is 2119782299. The reversal of 2119782297 is 7922879112.

It is a happy number.

It is not a de Polignac number, because 2119782297 - 2⁷ = 2119782169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2119782299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28479 + ... + 71067.

It is an arithmetic number, because the mean of its divisors is an integer number (180922320).

Almost surely, 2^2119782297 is an apocalyptic number.

It is an amenable number.

2119782297 is a deficient number, since it is larger than the sum of its proper divisors (774974823).

2119782297 is a wasteful number, since it uses less digits than its factorization.

2119782297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42992.

The product of its digits is 254016, while the sum is 48.

The square root of 2119782297 is about 46041.0935686806. The cubic root of 2119782297 is about 1284.5876832252.

The spelling of 2119782297 in words is "two billion, one hundred nineteen million, seven hundred eighty-two thousand, two hundred ninety-seven".