17042221601 has 2 divisors, whose sum is σ = 17042221602. Its totient is φ = 17042221600.

The previous prime is 17042221597. The next prime is 17042221607. The reversal of 17042221601 is 10612224071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9024810001 + 8017411600 = 94999^2 + 89540^2 .

It is a cyclic number.

It is not a de Polignac number, because 17042221601 - 2² = 17042221597 is a prime.

It is not a weakly prime, because it can be changed into another prime (17042221607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8521110800 + 8521110801.

It is an arithmetic number, because the mean of its divisors is an integer number (8521110801).

Almost surely, 2^17042221601 is an apocalyptic number.

It is an amenable number.

17042221601 is a deficient number, since it is larger than the sum of its proper divisors (1).

17042221601 is an equidigital number, since it uses as much as digits as its factorization.

17042221601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1344, while the sum is 26.

Adding to 17042221601 its reverse (10612224071), we get a palindrome (27654445672).

The spelling of 17042221601 in words is "seventeen billion, forty-two million, two hundred twenty-one thousand, six hundred one".