2640368411 has 2 divisors, whose sum is σ = 2640368412. Its totient is φ = 2640368410.

The previous prime is 2640368369. The next prime is 2640368441. The reversal of 2640368411 is 1148630462.

2640368411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2640368411 is a prime.

It is not a weakly prime, because it can be changed into another prime (2640368441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320184205 + 1320184206.

It is an arithmetic number, because the mean of its divisors is an integer number (1320184206).

Almost surely, 2^2640368411 is an apocalyptic number.

2640368411 is a deficient number, since it is larger than the sum of its proper divisors (1).

2640368411 is an equidigital number, since it uses as much as digits as its factorization.

2640368411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 2640368411 is about 51384.5152842761. The cubic root of 2640368411 is about 1382.1489328082.

Adding to 2640368411 its reverse (1148630462), we get a palindrome (3788998873).

The spelling of 2640368411 in words is "two billion, six hundred forty million, three hundred sixty-eight thousand, four hundred eleven".