283493159549 has 2 divisors, whose sum is σ = 283493159550. Its totient is φ = 283493159548.

The previous prime is 283493159513. The next prime is 283493159557. The reversal of 283493159549 is 945951394382.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 276455124100 + 7038035449 = 525790^2 + 83893^2 .

It is a cyclic number.

It is not a de Polignac number, because 283493159549 - 2¹⁶ = 283493094013 is a prime.

It is a super-2 number, since 2×283493159549² (a number of 24 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 283493159491 and 283493159500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (283493159149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 141746579774 + 141746579775.

It is an arithmetic number, because the mean of its divisors is an integer number (141746579775).

Almost surely, 2^283493159549 is an apocalyptic number.

It is an amenable number.

283493159549 is a deficient number, since it is larger than the sum of its proper divisors (1).

283493159549 is an equidigital number, since it uses as much as digits as its factorization.

283493159549 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41990400, while the sum is 62.

The spelling of 283493159549 in words is "two hundred eighty-three billion, four hundred ninety-three million, one hundred fifty-nine thousand, five hundred forty-nine".