2018959642764 has 18 divisors (see below), whose sum is σ = 5103481319300. Its totient is φ = 672986547576.

The previous prime is 2018959642717. The next prime is 2018959642769. The reversal of 2018959642764 is 4672469598102.

2018959642764 is a `hidden beast` number, since 2 + 0 + 18 + 9 + 596 + 4 + 27 + 6 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (2018959642769) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28041106114 + ... + 28041106185.

Almost surely, 2^{2018959642764} is an apocalyptic number.

It is an amenable number.

2018959642764 is an abundant number, since it is smaller than the sum of its proper divisors (3084521676536).

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

2018959642764 is a wasteful number, since it uses less digits than its factorization.

2018959642764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56082212309 (or 56082212304 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 2018959642764 in words is "two trillion, eighteen billion, nine hundred fifty-nine million, six hundred forty-two thousand, seven hundred sixty-four".