3624647641 has 2 divisors, whose sum is σ = 3624647642. Its totient is φ = 3624647640.

The previous prime is 3624647629. The next prime is 3624647669. The reversal of 3624647641 is 1467464263.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3624521616 + 126025 = 60204^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 3624647641 - 2⁷ = 3624647513 is a prime.

It is not a weakly prime, because it can be changed into another prime (3624647141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1812323820 + 1812323821.

It is an arithmetic number, because the mean of its divisors is an integer number (1812323821).

Almost surely, 2^3624647641 is an apocalyptic number.

It is an amenable number.

3624647641 is a deficient number, since it is larger than the sum of its proper divisors (1).

3624647641 is an equidigital number, since it uses as much as digits as its factorization.

3624647641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 580608, while the sum is 43.

The square root of 3624647641 is about 60205.0466406264. The cubic root of 3624647641 is about 1536.1086384263.

The spelling of 3624647641 in words is "three billion, six hundred twenty-four million, six hundred forty-seven thousand, six hundred forty-one".