3613533264 has 120 divisors (see below), whose sum is σ = 11053703232. Its totient is φ = 1092879360.

The previous prime is 3613533263. The next prime is 3613533271. The reversal of 3613533264 is 4623353163.

3613533264 is a `hidden beast` number, since 3 + 61 + 3 + 533 + 2 + 64 = 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 (3613533263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 937389 + ... + 941235.

Almost surely, 2^3613533264 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 3613533264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5526851616).

3613533264 is an abundant number, since it is smaller than the sum of its proper divisors (7440169968).

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

3613533264 is a wasteful number, since it uses less digits than its factorization.

3613533264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4465 (or 4456 counting only the distinct ones).

The product of its digits is 116640, while the sum is 36.

The square root of 3613533264 is about 60112.6714096121. The cubic root of 3613533264 is about 1534.5369573149.

The spelling of 3613533264 in words is "three billion, six hundred thirteen million, five hundred thirty-three thousand, two hundred sixty-four".