2640005341 has 2 divisors, whose sum is σ = 2640005342. Its totient is φ = 2640005340.

The previous prime is 2640005299. The next prime is 2640005371. The reversal of 2640005341 is 1435000462.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1461456441 + 1178548900 = 38229^2 + 34330^2 .

It is a cyclic number.

It is not a de Polignac number, because 2640005341 - 2¹³ = 2639997149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2640005371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320002670 + 1320002671.

It is an arithmetic number, because the mean of its divisors is an integer number (1320002671).

Almost surely, 2^2640005341 is an apocalyptic number.

It is an amenable number.

2640005341 is a deficient number, since it is larger than the sum of its proper divisors (1).

2640005341 is an equidigital number, since it uses as much as digits as its factorization.

2640005341 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 2640005341 is about 51380.9822891700. The cubic root of 2640005341 is about 1382.0855780362.

The spelling of 2640005341 in words is "two billion, six hundred forty million, five thousand, three hundred forty-one".