3621113018 has 8 divisors (see below), whose sum is σ = 5447234100. Its totient is φ = 1805368320.

The previous prime is 3621112991. The next prime is 3621113051. The reversal of 3621113018 is 8103111263.

It can be written as a sum of positive squares in 2 ways, for example, as 3378283129 + 242829889 = 58123^2 + 15583^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3621113018² = 26224918978258136648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2593223 + ... + 2594618.

Almost surely, 2^3621113018 is an apocalyptic number.

3621113018 is a deficient number, since it is larger than the sum of its proper divisors (1826121082).

3621113018 is a wasteful number, since it uses less digits than its factorization.

3621113018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5188192.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 3621113018 is about 60175.6846076553. The cubic root of 3621113018 is about 1535.6091571596.

The spelling of 3621113018 in words is "three billion, six hundred twenty-one million, one hundred thirteen thousand, eighteen".