2613945204 has 144 divisors (see below), whose sum is σ = 7299714240. Its totient is φ = 783751680.

The previous prime is 2613945167. The next prime is 2613945209. The reversal of 2613945204 is 4025493162.

It is a happy number.

2613945204 is a `hidden beast` number, since 2 + 61 + 394 + 5 + 204 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2613945209) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3782499 + ... + 3783189.

It is an arithmetic number, because the mean of its divisors is an integer number (50692460).

Almost surely, 2^2613945204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2613945204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3649857120).

2613945204 is an abundant number, since it is smaller than the sum of its proper divisors (4685769036).

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

2613945204 is a wasteful number, since it uses less digits than its factorization.

2613945204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 905 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 2613945204 is about 51126.7562436734. The cubic root of 2613945204 is about 1377.5228971505.

The spelling of 2613945204 in words is "two billion, six hundred thirteen million, nine hundred forty-five thousand, two hundred four".