7282900211681 has 2 divisors, whose sum is σ = 7282900211682. Its totient is φ = 7282900211680.

The previous prime is 7282900211627. The next prime is 7282900211707. The reversal of 7282900211681 is 1861120092827.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5452182970081 + 1830717241600 = 2334991^2 + 1353040^2 .

It is a cyclic number.

It is not a de Polignac number, because 7282900211681 - 2²⁶ = 7282833102817 is a prime.

It is a super-2 number, since 2×7282900211681² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7282900211281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3641450105840 + 3641450105841.

It is an arithmetic number, because the mean of its divisors is an integer number (3641450105841).

Almost surely, 2^{7282900211681} is an apocalyptic number.

It is an amenable number.

7282900211681 is a deficient number, since it is larger than the sum of its proper divisors (1).

7282900211681 is an equidigital number, since it uses as much as digits as its factorization.

7282900211681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 193536, while the sum is 47.

The spelling of 7282900211681 in words is "seven trillion, two hundred eighty-two billion, nine hundred million, two hundred eleven thousand, six hundred eighty-one".