282044477749 has 2 divisors, whose sum is σ = 282044477750. Its totient is φ = 282044477748.

The previous prime is 282044477731. The next prime is 282044477773. The reversal of 282044477749 is 947774440282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 194225304100 + 87819173649 = 440710^2 + 296343^2 .

It is a cyclic number.

It is not a de Polignac number, because 282044477749 - 2¹³ = 282044469557 is a prime.

It is a super-2 number, since 2×282044477749² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 282044477693 and 282044477702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (282044477719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141022238874 + 141022238875.

It is an arithmetic number, because the mean of its divisors is an integer number (141022238875).

Almost surely, 2^282044477749 is an apocalyptic number.

It is an amenable number.

282044477749 is a deficient number, since it is larger than the sum of its proper divisors (1).

282044477749 is an equidigital number, since it uses as much as digits as its factorization.

282044477749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25288704, while the sum is 58.

The spelling of 282044477749 in words is "two hundred eighty-two billion, forty-four million, four hundred seventy-seven thousand, seven hundred forty-nine".