2640002041 has 2 divisors, whose sum is σ = 2640002042. Its totient is φ = 2640002040.

The previous prime is 2640002033. The next prime is 2640002069. The reversal of 2640002041 is 1402000462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1342489600 + 1297512441 = 36640^2 + 36021^2 .

It is a cyclic number.

It is not a de Polignac number, because 2640002041 - 2³ = 2640002033 is a prime.

It is a super-2 number, since 2×2640002041² = 13939221552968331362, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2640002081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1320001020 + 1320001021.

It is an arithmetic number, because the mean of its divisors is an integer number (1320001021).

Almost surely, 2^2640002041 is an apocalyptic number.

It is an amenable number.

2640002041 is a deficient number, since it is larger than the sum of its proper divisors (1).

2640002041 is an equidigital number, since it uses as much as digits as its factorization.

2640002041 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2640002041 is about 51380.9501761110. The cubic root of 2640002041 is about 1382.0850021682.

The spelling of 2640002041 in words is "two billion, six hundred forty million, two thousand, forty-one".