3518557612 has 12 divisors (see below), whose sum is σ = 6215023080. Its totient is φ = 1742836736.

The previous prime is 3518557607. The next prime is 3518557619. The reversal of 3518557612 is 2167558153.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3518557619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4110037 + ... + 4110892.

It is an arithmetic number, because the mean of its divisors is an integer number (517918590).

Almost surely, 2^3518557612 is an apocalyptic number.

It is an amenable number.

3518557612 is a deficient number, since it is larger than the sum of its proper divisors (2696465468).

3518557612 is a wasteful number, since it uses less digits than its factorization.

3518557612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8221040 (or 8221038 counting only the distinct ones).

The product of its digits is 252000, while the sum is 43.

The square root of 3518557612 is about 59317.4309288594. The cubic root of 3518557612 is about 1520.9731781529.

The spelling of 3518557612 in words is "three billion, five hundred eighteen million, five hundred fifty-seven thousand, six hundred twelve".