3266639493 has 16 divisors (see below), whose sum is σ = 4749937920. Its totient is φ = 1984791744.

The previous prime is 3266639473. The next prime is 3266639503. The reversal of 3266639493 is 3949366623.

3266639493 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3266639493 - 2¹⁶ = 3266573957 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3266639473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 527046 + ... + 533207.

It is an arithmetic number, because the mean of its divisors is an integer number (296871120).

Almost surely, 2^3266639493 is an apocalyptic number.

It is an amenable number.

3266639493 is a deficient number, since it is larger than the sum of its proper divisors (1483298427).

3266639493 is a wasteful number, since it uses less digits than its factorization.

3266639493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060348.

The product of its digits is 3779136, while the sum is 51.

The square root of 3266639493 is about 57154.5229443830. The cubic root of 3266639493 is about 1483.7716518685.

The spelling of 3266639493 in words is "three billion, two hundred sixty-six million, six hundred thirty-nine thousand, four hundred ninety-three".