2324643661 has 2 divisors, whose sum is σ = 2324643662. Its totient is φ = 2324643660.

The previous prime is 2324643611. The next prime is 2324643677. The reversal of 2324643661 is 1663464232.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1622075625 + 702568036 = 40275^2 + 26506^2 .

It is a cyclic number.

It is not a de Polignac number, because 2324643661 - 2¹⁹ = 2324119373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2324643661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2324643611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1162321830 + 1162321831.

It is an arithmetic number, because the mean of its divisors is an integer number (1162321831).

Almost surely, 2^2324643661 is an apocalyptic number.

It is an amenable number.

2324643661 is a deficient number, since it is larger than the sum of its proper divisors (1).

2324643661 is an equidigital number, since it uses as much as digits as its factorization.

2324643661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 37.

The square root of 2324643661 is about 48214.5586000743. The cubic root of 2324643661 is about 1324.7038447632.

The spelling of 2324643661 in words is "two billion, three hundred twenty-four million, six hundred forty-three thousand, six hundred sixty-one".