3618115665473 has 8 divisors (see below), whose sum is σ = 3624334360800. Its totient is φ = 3611899811520.

The previous prime is 3618115665431. The next prime is 3618115665487. The reversal of 3618115665473 is 3745665118163.

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

It is a cyclic number.

It is not a de Polignac number, because 3618115665473 - 2³² = 3613820698177 is a prime.

It is a super-2 number, since 2×3618115665473² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3618115665173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1846478 + ... + 3262776.

It is an arithmetic number, because the mean of its divisors is an integer number (453041795100).

Almost surely, 2^{3618115665473} is an apocalyptic number.

It is an amenable number.

3618115665473 is a deficient number, since it is larger than the sum of its proper divisors (6218695327).

3618115665473 is a wasteful number, since it uses less digits than its factorization.

3618115665473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420687.

The product of its digits is 10886400, while the sum is 56.

The spelling of 3618115665473 in words is "three trillion, six hundred eighteen billion, one hundred fifteen million, six hundred sixty-five thousand, four hundred seventy-three".