1911994114 has 8 divisors (see below), whose sum is σ = 3036696588. Its totient is φ = 899761920.

The previous prime is 1911994109. The next prime is 1911994121. The reversal of 1911994114 is 4114991191.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1860628225 + 51365889 = 43135^2 + 7167^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28117527 + ... + 28117594.

Almost surely, 2^1911994114 is an apocalyptic number.

1911994114 is a deficient number, since it is larger than the sum of its proper divisors (1124702474).

1911994114 is a wasteful number, since it uses less digits than its factorization.

1911994114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56235140.

The product of its digits is 11664, while the sum is 40.

The square root of 1911994114 is about 43726.3549132557. The cubic root of 1911994114 is about 1241.1630853563.

The spelling of 1911994114 in words is "one billion, nine hundred eleven million, nine hundred ninety-four thousand, one hundred fourteen".