2109388612 has 6 divisors (see below), whose sum is σ = 3691430078. Its totient is φ = 1054694304.

The previous prime is 2109388571. The next prime is 2109388639. The reversal of 2109388612 is 2168839012.

It can be written as a sum of positive squares in only one way, i.e., 2107360836 + 2027776 = 45906^2 + 1424^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 263673573 + ... + 263673580.

Almost surely, 2^2109388612 is an apocalyptic number.

It is an amenable number.

2109388612 is a deficient number, since it is larger than the sum of its proper divisors (1582041466).

2109388612 is a wasteful number, since it uses less digits than its factorization.

2109388612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527347157 (or 527347155 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 2109388612 is about 45928.0808656316. The cubic root of 2109388612 is about 1282.4847186615.

The spelling of 2109388612 in words is "two billion, one hundred nine million, three hundred eighty-eight thousand, six hundred twelve".