3644425147 has 8 divisors (see below), whose sum is σ = 4007043072. Its totient is φ = 3287025000.

The previous prime is 3644425129. The next prime is 3644425159. The reversal of 3644425147 is 7415244463.

It is a happy number.

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-3644425147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3644425177) 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, 1302979 + ... + 1305772.

It is an arithmetic number, because the mean of its divisors is an integer number (500880384).

Almost surely, 2^3644425147 is an apocalyptic number.

3644425147 is a deficient number, since it is larger than the sum of its proper divisors (362617925).

3644425147 is a wasteful number, since it uses less digits than its factorization.

3644425147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2608889.

The product of its digits is 322560, while the sum is 40.

The square root of 3644425147 is about 60369.0744255699. The cubic root of 3644425147 is about 1538.8974436565.

The spelling of 3644425147 in words is "three billion, six hundred forty-four million, four hundred twenty-five thousand, one hundred forty-seven".