1716673121 has 2 divisors, whose sum is σ = 1716673122. Its totient is φ = 1716673120.

The previous prime is 1716673111. The next prime is 1716673151. The reversal of 1716673121 is 1213766171.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1635312721 + 81360400 = 40439^2 + 9020^2 .

It is a cyclic number.

It is not a de Polignac number, because 1716673121 - 2¹⁸ = 1716410977 is a prime.

It is not a weakly prime, because it can be changed into another prime (1716673111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 858336560 + 858336561.

It is an arithmetic number, because the mean of its divisors is an integer number (858336561).

Almost surely, 2^1716673121 is an apocalyptic number.

It is an amenable number.

1716673121 is a deficient number, since it is larger than the sum of its proper divisors (1).

1716673121 is an equidigital number, since it uses as much as digits as its factorization.

1716673121 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584, while the sum is 35.

The square root of 1716673121 is about 41432.7542048558. The cubic root of 1716673121 is about 1197.3722874073.

The spelling of 1716673121 in words is "one billion, seven hundred sixteen million, six hundred seventy-three thousand, one hundred twenty-one".