3644320241 has 2 divisors, whose sum is σ = 3644320242. Its totient is φ = 3644320240.

The previous prime is 3644320231. The next prime is 3644320283. The reversal of 3644320241 is 1420234463.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3278707600 + 365612641 = 57260^2 + 19121^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3644320241 is a prime.

It is not a weakly prime, because it can be changed into another prime (3644320231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1822160120 + 1822160121.

It is an arithmetic number, because the mean of its divisors is an integer number (1822160121).

Almost surely, 2^3644320241 is an apocalyptic number.

It is an amenable number.

3644320241 is a deficient number, since it is larger than the sum of its proper divisors (1).

3644320241 is an equidigital number, since it uses as much as digits as its factorization.

3644320241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 29.

The square root of 3644320241 is about 60368.2055472912. The cubic root of 3644320241 is about 1538.8826776218.

The spelling of 3644320241 in words is "three billion, six hundred forty-four million, three hundred twenty thousand, two hundred forty-one".