3266009985 has 32 divisors (see below), whose sum is σ = 6094022400. Its totient is φ = 1493030784.

The previous prime is 3266009909. The next prime is 3266009987. The reversal of 3266009985 is 5899006623.

It is not a de Polignac number, because 3266009985 - 2¹⁶ = 3265944449 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3266009987) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 312252 + ... + 322541.

It is an arithmetic number, because the mean of its divisors is an integer number (190438200).

Almost surely, 2^3266009985 is an apocalyptic number.

3266009985 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3266009985 is a deficient number, since it is larger than the sum of its proper divisors (2828012415).

3266009985 is an equidigital number, since it uses as much as digits as its factorization.

3266009985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634822 (or 634808 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 48.

The square root of 3266009985 is about 57149.0156083200. The cubic root of 3266009985 is about 1483.6763341235.

The spelling of 3266009985 in words is "three billion, two hundred sixty-six million, nine thousand, nine hundred eighty-five".