2945186604 has 18 divisors (see below), whose sum is σ = 7444777340. Its totient is φ = 981728856.

The previous prime is 2945186591. The next prime is 2945186609. The reversal of 2945186604 is 4066815492.

2945186604 is a `hidden beast` number, since 29 + 4 + 5 + 18 + 6 + 604 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2945186604.

It is not an unprimeable number, because it can be changed into a prime (2945186609) 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, 40905334 + ... + 40905405.

Almost surely, 2^2945186604 is an apocalyptic number.

It is an amenable number.

2945186604 is an abundant number, since it is smaller than the sum of its proper divisors (4499590736).

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

2945186604 is a wasteful number, since it uses less digits than its factorization.

2945186604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81810749 (or 81810744 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 2945186604 is about 54269.5734643271. The cubic root of 2945186604 is about 1433.4116795586.

The spelling of 2945186604 in words is "two billion, nine hundred forty-five million, one hundred eighty-six thousand, six hundred four".