3604641534 has 64 divisors (see below), whose sum is σ = 8635394880. Its totient is φ = 1107976320.

The previous prime is 3604641533. The next prime is 3604641559. The reversal of 3604641534 is 4351464063.

3604641534 is a `hidden beast` number, since 3 + 6 + 0 + 4 + 641 + 5 + 3 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3604641533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 894444 + ... + 898464.

It is an arithmetic number, because the mean of its divisors is an integer number (134928045).

Almost surely, 2^3604641534 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3604641534, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4317697440).

3604641534 is an abundant number, since it is smaller than the sum of its proper divisors (5030753346).

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

3604641534 is a wasteful number, since it uses less digits than its factorization.

3604641534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5322 (or 5316 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 3604641534 is about 60038.6669905320. Note that the first 3 decimals coincide. The cubic root of 3604641534 is about 1533.2772580732.

The spelling of 3604641534 in words is "three billion, six hundred four million, six hundred forty-one thousand, five hundred thirty-four".