485802581810281 has 2 divisors, whose sum is σ = 485802581810282. Its totient is φ = 485802581810280.

The previous prime is 485802581810251. The next prime is 485802581810297. The reversal of 485802581810281 is 182018185208584.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 368058814849881 + 117743766960400 = 19184859^2 + 10850980^2 .

It is a cyclic number.

It is not a de Polignac number, because 485802581810281 - 2¹³ = 485802581802089 is a prime.

It is a super-2 number, since 2×485802581810281² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (485802581810251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242901290905140 + 242901290905141.

It is an arithmetic number, because the mean of its divisors is an integer number (242901290905141).

Almost surely, 2^{485802581810281} is an apocalyptic number.

It is an amenable number.

485802581810281 is a deficient number, since it is larger than the sum of its proper divisors (1).

485802581810281 is an equidigital number, since it uses as much as digits as its factorization.

485802581810281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13107200, while the sum is 61.

The spelling of 485802581810281 in words is "four hundred eighty-five trillion, eight hundred two billion, five hundred eighty-one million, eight hundred ten thousand, two hundred eighty-one".