3644122650 has 72 divisors (see below), whose sum is σ = 10512943200. Its totient is φ = 832940640.

The previous prime is 3644122639. The next prime is 3644122661. The reversal of 3644122650 is 562214463.

3644122650 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3644122639) and next prime (3644122661).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 240550 + ... + 255249.

It is an arithmetic number, because the mean of its divisors is an integer number (146013100).

Almost surely, 2^3644122650 is an apocalyptic number.

3644122650 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3644122650 is an abundant number, since it is smaller than the sum of its proper divisors (6868820550).

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

3644122650 is a wasteful number, since it uses less digits than its factorization.

3644122650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495828 (or 495816 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 3644122650 is about 60366.5689765453. The cubic root of 3644122650 is about 1538.8548649487.

The spelling of 3644122650 in words is "three billion, six hundred forty-four million, one hundred twenty-two thousand, six hundred fifty".