716486874310561 has 2 divisors, whose sum is σ = 716486874310562. Its totient is φ = 716486874310560.

The previous prime is 716486874310531. The next prime is 716486874310579. The reversal of 716486874310561 is 165013478684617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 701619441610000 + 14867432700561 = 26488100^2 + 3855831^2 .

It is a cyclic number.

It is not a de Polignac number, because 716486874310561 - 2⁴⁹ = 153536920889249 is a prime.

It is a super-3 number, since 3×716486874310561³ (a number of 46 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not a weakly prime, because it can be changed into another prime (716486874310531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 358243437155280 + 358243437155281.

It is an arithmetic number, because the mean of its divisors is an integer number (358243437155281).

Almost surely, 2^{716486874310561} is an apocalyptic number.

It is an amenable number.

716486874310561 is a deficient number, since it is larger than the sum of its proper divisors (1).

716486874310561 is an equidigital number, since it uses as much as digits as its factorization.

716486874310561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162570240, while the sum is 67.

The spelling of 716486874310561 in words is "seven hundred sixteen trillion, four hundred eighty-six billion, eight hundred seventy-four million, three hundred ten thousand, five hundred sixty-one".