2195613504 has 336 divisors, whose sum is σ = 7468331520. Its totient is φ = 603832320.

The previous prime is 2195613503. The next prime is 2195613547. The reversal of 2195613504 is 4053165912.

2195613504 is a `hidden beast` number, since 2 + 1 + 95 + 61 + 3 + 504 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

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 (2195613503) 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, 19430152 + ... + 19430264.

Almost surely, 2^2195613504 is an apocalyptic number.

2195613504 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2195613504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3734165760).

2195613504 is an abundant number, since it is smaller than the sum of its proper divisors (5272718016).

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

2195613504 is a wasteful number, since it uses less digits than its factorization.

2195613504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 2195613504 is about 46857.3740621474. The cubic root of 2195613504 is about 1299.7264718406.

The spelling of 2195613504 in words is "two billion, one hundred ninety-five million, six hundred thirteen thousand, five hundred four".