8521712651741 has 2 divisors, whose sum is σ = 8521712651742. Its totient is φ = 8521712651740.

The previous prime is 8521712651737. The next prime is 8521712651761. The reversal of 8521712651741 is 1471562171258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6117262356100 + 2404450295641 = 2473310^2 + 1550629^2 .

It is a cyclic number.

It is not a de Polignac number, because 8521712651741 - 2² = 8521712651737 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8521712651741.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8521712651701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4260856325870 + 4260856325871.

It is an arithmetic number, because the mean of its divisors is an integer number (4260856325871).

Almost surely, 2^{8521712651741} is an apocalyptic number.

It is an amenable number.

8521712651741 is a deficient number, since it is larger than the sum of its proper divisors (1).

8521712651741 is an equidigital number, since it uses as much as digits as its factorization.

8521712651741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 940800, while the sum is 50.

The spelling of 8521712651741 in words is "eight trillion, five hundred twenty-one billion, seven hundred twelve million, six hundred fifty-one thousand, seven hundred forty-one".