1716481961 has 2 divisors, whose sum is σ = 1716481962. Its totient is φ = 1716481960.

The previous prime is 1716481939. The next prime is 1716481981. The reversal of 1716481961 is 1691846171.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1709326336 + 7155625 = 41344^2 + 2675^2 .

It is a cyclic number.

It is not a de Polignac number, because 1716481961 - 2¹⁴ = 1716465577 is a prime.

It is not a weakly prime, because it can be changed into another prime (1716481931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 858240980 + 858240981.

It is an arithmetic number, because the mean of its divisors is an integer number (858240981).

Almost surely, 2^1716481961 is an apocalyptic number.

It is an amenable number.

1716481961 is a deficient number, since it is larger than the sum of its proper divisors (1).

1716481961 is an equidigital number, since it uses as much as digits as its factorization.

1716481961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 44.

The square root of 1716481961 is about 41430.4472700935. The cubic root of 1716481961 is about 1197.3278413253.

The spelling of 1716481961 in words is "one billion, seven hundred sixteen million, four hundred eighty-one thousand, nine hundred sixty-one".