3618681242554 has 32 divisors (see below), whose sum is σ = 6265377593856. Its totient is φ = 1535384851200.

The previous prime is 3618681242513. The next prime is 3618681242573. The reversal of 3618681242554 is 4552421868163.

It is a happy number.

3618681242554 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3618681242554² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3618681242495 and 3618681242504.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18705727 + ... + 18898189.

It is an arithmetic number, because the mean of its divisors is an integer number (195793049808).

Almost surely, 2^{3618681242554} is an apocalyptic number.

3618681242554 is a deficient number, since it is larger than the sum of its proper divisors (2646696351302).

3618681242554 is a wasteful number, since it uses less digits than its factorization.

3618681242554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205870.

The product of its digits is 11059200, while the sum is 55.

The spelling of 3618681242554 in words is "three trillion, six hundred eighteen billion, six hundred eighty-one million, two hundred forty-two thousand, five hundred fifty-four".