2404565641 has 2 divisors, whose sum is σ = 2404565642. Its totient is φ = 2404565640.

The previous prime is 2404565627. The next prime is 2404565671. The reversal of 2404565641 is 1465654042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2063794041 + 340771600 = 45429^2 + 18460^2 .

It is a cyclic number.

It is not a de Polignac number, because 2404565641 - 2⁵ = 2404565609 is a prime.

It is a super-3 number, since 3×2404565641³ (a number of 29 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2404565641.

It is not a weakly prime, because it can be changed into another prime (2404565671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202282820 + 1202282821.

It is an arithmetic number, because the mean of its divisors is an integer number (1202282821).

Almost surely, 2^2404565641 is an apocalyptic number.

It is an amenable number.

2404565641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2404565641 is an equidigital number, since it uses as much as digits as its factorization.

2404565641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 115200, while the sum is 37.

The square root of 2404565641 is about 49036.3705936726. The cubic root of 2404565641 is about 1339.7143597368.

The spelling of 2404565641 in words is "two billion, four hundred four million, five hundred sixty-five thousand, six hundred forty-one".