4270518821617 has 2 divisors, whose sum is σ = 4270518821618. Its totient is φ = 4270518821616.

The previous prime is 4270518821573. The next prime is 4270518821651. The reversal of 4270518821617 is 7161288150724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4269413857536 + 1104964081 = 2066256^2 + 33241^2 .

It is a cyclic number.

It is not a de Polignac number, because 4270518821617 - 2¹⁹ = 4270518297329 is a prime.

It is not a weakly prime, because it can be changed into another prime (4270518824617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2135259410808 + 2135259410809.

It is an arithmetic number, because the mean of its divisors is an integer number (2135259410809).

Almost surely, 2^{4270518821617} is an apocalyptic number.

It is an amenable number.

4270518821617 is a deficient number, since it is larger than the sum of its proper divisors (1).

4270518821617 is an equidigital number, since it uses as much as digits as its factorization.

4270518821617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1505280, while the sum is 52.

The spelling of 4270518821617 in words is "four trillion, two hundred seventy billion, five hundred eighteen million, eight hundred twenty-one thousand, six hundred seventeen".