2281684108477 has 2 divisors, whose sum is σ = 2281684108478. Its totient is φ = 2281684108476.

The previous prime is 2281684108421. The next prime is 2281684108577. The reversal of 2281684108477 is 7748014861822.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1983066669796 + 298617438681 = 1408214^2 + 546459^2 .

It is a cyclic number.

It is not a de Polignac number, because 2281684108477 - 2⁷ = 2281684108349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2281684108577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1140842054238 + 1140842054239.

It is an arithmetic number, because the mean of its divisors is an integer number (1140842054239).

Almost surely, 2^{2281684108477} is an apocalyptic number.

It is an amenable number.

2281684108477 is a deficient number, since it is larger than the sum of its proper divisors (1).

2281684108477 is an equidigital number, since it uses as much as digits as its factorization.

2281684108477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9633792, while the sum is 58.

The spelling of 2281684108477 in words is "two trillion, two hundred eighty-one billion, six hundred eighty-four million, one hundred eight thousand, four hundred seventy-seven".