1720016713 has 2 divisors, whose sum is σ = 1720016714. Its totient is φ = 1720016712.

The previous prime is 1720016687. The next prime is 1720016723. The reversal of 1720016713 is 3176100271.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1545433344 + 174583369 = 39312^2 + 13213^2 .

It is a cyclic number.

It is not a de Polignac number, because 1720016713 - 2⁵ = 1720016681 is a prime.

It is not a weakly prime, because it can be changed into another prime (1720016723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 860008356 + 860008357.

It is an arithmetic number, because the mean of its divisors is an integer number (860008357).

Almost surely, 2^1720016713 is an apocalyptic number.

It is an amenable number.

1720016713 is a deficient number, since it is larger than the sum of its proper divisors (1).

1720016713 is an equidigital number, since it uses as much as digits as its factorization.

1720016713 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 1720016713 is about 41473.0841992731. The cubic root of 1720016713 is about 1198.1491637033.

Adding to 1720016713 its reverse (3176100271), we get a palindrome (4896116984).

The spelling of 1720016713 in words is "one billion, seven hundred twenty million, sixteen thousand, seven hundred thirteen".