1670203502017 has 2 divisors, whose sum is σ = 1670203502018. Its totient is φ = 1670203502016.

The previous prime is 1670203501963. The next prime is 1670203502057. The reversal of 1670203502017 is 7102053020761.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1518215801281 + 151987700736 = 1232159^2 + 389856^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1670203502017 is a prime.

It is not a weakly prime, because it can be changed into another prime (1670203502057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 835101751008 + 835101751009.

It is an arithmetic number, because the mean of its divisors is an integer number (835101751009).

Almost surely, 2^{1670203502017} is an apocalyptic number.

It is an amenable number.

1670203502017 is a deficient number, since it is larger than the sum of its proper divisors (1).

1670203502017 is an equidigital number, since it uses as much as digits as its factorization.

1670203502017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 34.

Adding to 1670203502017 its reverse (7102053020761), we get a palindrome (8772256522778).

The spelling of 1670203502017 in words is "one trillion, six hundred seventy billion, two hundred three million, five hundred two thousand, seventeen".