2646440341 has 2 divisors, whose sum is σ = 2646440342. Its totient is φ = 2646440340.

The previous prime is 2646440323. The next prime is 2646440359. The reversal of 2646440341 is 1430446462.

It is a balanced prime because it is at equal distance from previous prime (2646440323) and next prime (2646440359).

It can be written as a sum of positive squares in only one way, i.e., 2640418225 + 6022116 = 51385^2 + 2454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2646440341 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2646440297 and 2646440306.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2646440141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1323220170 + 1323220171.

It is an arithmetic number, because the mean of its divisors is an integer number (1323220171).

Almost surely, 2^2646440341 is an apocalyptic number.

It is an amenable number.

2646440341 is a deficient number, since it is larger than the sum of its proper divisors (1).

2646440341 is an equidigital number, since it uses as much as digits as its factorization.

2646440341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 2646440341 is about 51443.5646218261. The cubic root of 2646440341 is about 1383.2076091413.

The spelling of 2646440341 in words is "two billion, six hundred forty-six million, four hundred forty thousand, three hundred forty-one".