2066209474 has 8 divisors (see below), whose sum is σ = 3542073408. Its totient is φ = 885518340.

The previous prime is 2066209433. The next prime is 2066209501. The reversal of 2066209474 is 4749026602.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73793182 + ... + 73793209.

It is an arithmetic number, because the mean of its divisors is an integer number (442759176).

Almost surely, 2^2066209474 is an apocalyptic number.

2066209474 is a deficient number, since it is larger than the sum of its proper divisors (1475863934).

2066209474 is a wasteful number, since it uses less digits than its factorization.

2066209474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147586400.

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 2066209474 is about 45455.5769295694. The cubic root of 2066209474 is about 1273.6735093580.

The spelling of 2066209474 in words is "two billion, sixty-six million, two hundred nine thousand, four hundred seventy-four".