3255655491 has 128 divisors (see below), whose sum is σ = 5744640000. Its totient is φ = 1801388160.

The previous prime is 3255655457. The next prime is 3255655537. The reversal of 3255655491 is 1945565523.

3255655491 is a `hidden beast` number, since 3 + 2 + 5 + 5 + 6 + 554 + 91 = 666.

It is not a de Polignac number, because 3255655491 - 2²¹ = 3253558339 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3255655441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 29868345 + ... + 29868453.

It is an arithmetic number, because the mean of its divisors is an integer number (44880000).

Almost surely, 2^3255655491 is an apocalyptic number.

3255655491 is a deficient number, since it is larger than the sum of its proper divisors (2488984509).

3255655491 is a wasteful number, since it uses less digits than its factorization.

3255655491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 288 counting only the distinct ones).

The product of its digits is 810000, while the sum is 45.

The square root of 3255655491 is about 57058.3516323421. The cubic root of 3255655491 is about 1482.1067347605.

The spelling of 3255655491 in words is "three billion, two hundred fifty-five million, six hundred fifty-five thousand, four hundred ninety-one".