3649825922 has 6 divisors (see below), whose sum is σ = 5474867043. Its totient is φ = 1824870242.

The previous prime is 3649825913. The next prime is 3649825969. The reversal of 3649825922 is 2295289463.

3649825922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1824912961 + 1824912961 = 42719^2 + 42719^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=42719.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 64079 + ... + 106797.

Almost surely, 2^3649825922 is an apocalyptic number.

3649825922 is a deficient number, since it is larger than the sum of its proper divisors (1825041121).

3649825922 is an frugal number, since it uses more digits than its factorization.

3649825922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85440 (or 42721 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The square root of 3649825922 is about 60413.7891710162. The cubic root of 3649825922 is about 1539.6572467650.

Multiplying 3649825922 by its sum of digits (50), we get a square (182491296100 = 427190²).

The spelling of 3649825922 in words is "three billion, six hundred forty-nine million, eight hundred twenty-five thousand, nine hundred twenty-two".