9618940415018 has 16 divisors (see below), whose sum is σ = 15740896734720. Its totient is φ = 4372019971200.

The previous prime is 9618940414991. The next prime is 9618940415027. The reversal of 9618940415018 is 8105140498169.

It is a happy number.

9618940415018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10847303 + ... + 11700506.

It is an arithmetic number, because the mean of its divisors is an integer number (983806045920).

Almost surely, 2^{9618940415018} is an apocalyptic number.

9618940415018 is a deficient number, since it is larger than the sum of its proper divisors (6121956319702).

9618940415018 is a wasteful number, since it uses less digits than its factorization.

9618940415018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22567213.

The product of its (nonzero) digits is 2488320, while the sum is 56.

The spelling of 9618940415018 in words is "nine trillion, six hundred eighteen billion, nine hundred forty million, four hundred fifteen thousand, eighteen".