3644772449 has 8 divisors (see below), whose sum is σ = 3744443808. Its totient is φ = 3545614240.

The previous prime is 3644772437. The next prime is 3644772457. The reversal of 3644772449 is 9442774463.

3644772449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3644772449 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3644772397 and 3644772406.

It is not an unprimeable number, because it can be changed into a prime (3644772419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113867 + ... + 142320.

It is an arithmetic number, because the mean of its divisors is an integer number (468055476).

Almost surely, 2^3644772449 is an apocalyptic number.

It is an amenable number.

3644772449 is a deficient number, since it is larger than the sum of its proper divisors (99671359).

3644772449 is a wasteful number, since it uses less digits than its factorization.

3644772449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256575.

The product of its digits is 4064256, while the sum is 50.

The square root of 3644772449 is about 60371.9508463989. The cubic root of 3644772449 is about 1538.9463260968.

The spelling of 3644772449 in words is "three billion, six hundred forty-four million, seven hundred seventy-two thousand, four hundred forty-nine".