2089251766 has 32 divisors (see below), whose sum is σ = 3635251200. Its totient is φ = 882061056.

The previous prime is 2089251763. The next prime is 2089251779. The reversal of 2089251766 is 6671529802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2089251763) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 299385 + ... + 306283.

It is an arithmetic number, because the mean of its divisors is an integer number (113601600).

Almost surely, 2^2089251766 is an apocalyptic number.

2089251766 is a deficient number, since it is larger than the sum of its proper divisors (1545999434).

2089251766 is a wasteful number, since it uses less digits than its factorization.

2089251766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7228.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 2089251766 is about 45708.3336602856. Note that the first 3 decimals coincide. The cubic root of 2089251766 is about 1278.3906707348.

The spelling of 2089251766 in words is "two billion, eighty-nine million, two hundred fifty-one thousand, seven hundred sixty-six".