3486631618 has 4 divisors (see below), whose sum is σ = 5229947430. Its totient is φ = 1743315808.

The previous prime is 3486631607. The next prime is 3486631627. The reversal of 3486631618 is 8161366843.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3093918129 + 392713489 = 55623^2 + 19817^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871657903 + ... + 871657906.

Almost surely, 2^3486631618 is an apocalyptic number.

3486631618 is a deficient number, since it is larger than the sum of its proper divisors (1743315812).

3486631618 is a wasteful number, since it uses less digits than its factorization.

3486631618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743315811.

The product of its digits is 497664, while the sum is 46.

The square root of 3486631618 is about 59047.7062890677. The cubic root of 3486631618 is about 1516.3589585521.

The spelling of 3486631618 in words is "three billion, four hundred eighty-six million, six hundred thirty-one thousand, six hundred eighteen".