2640832841 has 2 divisors, whose sum is σ = 2640832842. Its totient is φ = 2640832840.

The previous prime is 2640832813. The next prime is 2640832877. The reversal of 2640832841 is 1482380462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2611618816 + 29214025 = 51104^2 + 5405^2 .

It is a cyclic number.

It is not a de Polignac number, because 2640832841 - 2¹⁸ = 2640570697 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2640832795 and 2640832804.

It is not a weakly prime, because it can be changed into another prime (2640831841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320416420 + 1320416421.

It is an arithmetic number, because the mean of its divisors is an integer number (1320416421).

Almost surely, 2^2640832841 is an apocalyptic number.

It is an amenable number.

2640832841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2640832841 is an equidigital number, since it uses as much as digits as its factorization.

2640832841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 73728, while the sum is 38.

The square root of 2640832841 is about 51389.0342485632. The cubic root of 2640832841 is about 1382.2299661712.

The spelling of 2640832841 in words is "two billion, six hundred forty million, eight hundred thirty-two thousand, eight hundred forty-one".