4070217465649 has 2 divisors, whose sum is σ = 4070217465650. Its totient is φ = 4070217465648.

The previous prime is 4070217465599. The next prime is 4070217465667. The reversal of 4070217465649 is 9465647120704.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3161970345249 + 908247120400 = 1778193^2 + 953020^2 .

It is a cyclic number.

It is not a de Polignac number, because 4070217465649 - 2⁹ = 4070217465137 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4070217465649.

It is not a weakly prime, because it can be changed into another prime (4070217465749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2035108732824 + 2035108732825.

It is an arithmetic number, because the mean of its divisors is an integer number (2035108732825).

Almost surely, 2^{4070217465649} is an apocalyptic number.

It is an amenable number.

4070217465649 is a deficient number, since it is larger than the sum of its proper divisors (1).

4070217465649 is an equidigital number, since it uses as much as digits as its factorization.

4070217465649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10160640, while the sum is 55.

The spelling of 4070217465649 in words is "four trillion, seventy billion, two hundred seventeen million, four hundred sixty-five thousand, six hundred forty-nine".