3613911552 has 240 divisors, whose sum is σ = 11177117952. Its totient is φ = 1164533760.

The previous prime is 3613911533. The next prime is 3613911559. The reversal of 3613911552 is 2551193163.

It is a happy number.

3613911552 is a `hidden beast` number, since 3 + 6 + 13 + 91 + 1 + 552 = 666.

3613911552 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (3613911559) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3856428 + ... + 3857364.

Almost surely, 2^3613911552 is an apocalyptic number.

3613911552 is a gapful number since it is divisible by the number (32) 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 3613911552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5588558976).

3613911552 is an abundant number, since it is smaller than the sum of its proper divisors (7563206400).

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

3613911552 is an frugal number, since it uses more digits than its factorization.

3613911552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1001 (or 973 counting only the distinct ones).

The product of its digits is 24300, while the sum is 36.

The square root of 3613911552 is about 60115.8178186074. The cubic root of 3613911552 is about 1534.5905038596.

The spelling of 3613911552 in words is "three billion, six hundred thirteen million, nine hundred eleven thousand, five hundred fifty-two".