3453181618 has 16 divisors (see below), whose sum is σ = 5269923360. Its totient is φ = 1696566816.

The previous prime is 3453181591. The next prime is 3453181639. The reversal of 3453181618 is 8161813543.

It is a happy 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 7 ways as a sum of consecutive naturals, for example, 332005 + ... + 342247.

It is an arithmetic number, because the mean of its divisors is an integer number (329370210).

Almost surely, 2^3453181618 is an apocalyptic number.

3453181618 is a deficient number, since it is larger than the sum of its proper divisors (1816741742).

3453181618 is a wasteful number, since it uses less digits than its factorization.

3453181618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13161.

The product of its digits is 69120, while the sum is 40.

The square root of 3453181618 is about 58763.7781120309. The cubic root of 3453181618 is about 1511.4941598143.

The spelling of 3453181618 in words is "three billion, four hundred fifty-three million, one hundred eighty-one thousand, six hundred eighteen".