3725649564 has 192 divisors, whose sum is σ = 11130642432. Its totient is φ = 943488000.

The previous prime is 3725649553. The next prime is 3725649583. The reversal of 3725649564 is 4659465273.

3725649564 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5314414 + ... + 5315114.

It is an arithmetic number, because the mean of its divisors is an integer number (57972096).

Almost surely, 2^3725649564 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 3725649564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5565321216).

3725649564 is an abundant number, since it is smaller than the sum of its proper divisors (7404992868).

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

3725649564 is a wasteful number, since it uses less digits than its factorization.

3725649564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916 (or 914 counting only the distinct ones).

The product of its digits is 5443200, while the sum is 51.

The square root of 3725649564 is about 61038.0992823335. The cubic root of 3725649564 is about 1550.2461716535.

The spelling of 3725649564 in words is "three billion, seven hundred twenty-five million, six hundred forty-nine thousand, five hundred sixty-four".