3481033861818 has 24 divisors (see below), whose sum is σ = 7985901213108. Its totient is φ = 1092089054592.

The previous prime is 3481033861817. The next prime is 3481033861829. The reversal of 3481033861818 is 8181683301843.

It is a happy number.

3481033861818 is a `hidden beast` number, since 3 + 4 + 8 + 1 + 0 + 3 + 3 + 8 + 618 + 18 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2826725976369 + 654307885449 = 1681287^2 + 808893^2 .

It is not an unprimeable number, because it can be changed into a prime (3481033861817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5687963521 + ... + 5687964132.

Almost surely, 2^{3481033861818} is an apocalyptic number.

3481033861818 is an abundant number, since it is smaller than the sum of its proper divisors (4504867351290).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3481033861818 is a wasteful number, since it uses less digits than its factorization.

3481033861818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11375927678 (or 11375927675 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 54.

The spelling of 3481033861818 in words is "three trillion, four hundred eighty-one billion, thirty-three million, eight hundred sixty-one thousand, eight hundred eighteen".