2009771366 has 8 divisors (see below), whose sum is σ = 3015375384. Its totient is φ = 1004646240.

The previous prime is 2009771359. The next prime is 2009771381. The reversal of 2009771366 is 6631779002.

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

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 109040 + ... + 126131.

It is an arithmetic number, because the mean of its divisors is an integer number (376921923).

Almost surely, 2^2009771366 is an apocalyptic number.

2009771366 is a deficient number, since it is larger than the sum of its proper divisors (1005604018).

2009771366 is a wasteful number, since it uses less digits than its factorization.

2009771366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239446.

The product of its (nonzero) digits is 95256, while the sum is 41.

The square root of 2009771366 is about 44830.4736312254. The cubic root of 2009771366 is about 1261.9695756439.

The spelling of 2009771366 in words is "two billion, nine million, seven hundred seventy-one thousand, three hundred sixty-six".