2119724066 has 4 divisors (see below), whose sum is σ = 3179586102. Its totient is φ = 1059862032.

The previous prime is 2119724059. The next prime is 2119724077. The reversal of 2119724066 is 6604279112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1518738841 + 600985225 = 38971^2 + 24515^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529931015 + ... + 529931018.

Almost surely, 2^2119724066 is an apocalyptic number.

2119724066 is a deficient number, since it is larger than the sum of its proper divisors (1059862036).

2119724066 is a wasteful number, since it uses less digits than its factorization.

2119724066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059862035.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 2119724066 is about 46040.4611836154. The cubic root of 2119724066 is about 1284.5759204590.

The spelling of 2119724066 in words is "two billion, one hundred nineteen million, seven hundred twenty-four thousand, sixty-six".