281639048231053 has 2 divisors, whose sum is σ = 281639048231054. Its totient is φ = 281639048231052.

The previous prime is 281639048230979. The next prime is 281639048231083. The reversal of 281639048231053 is 350132840936182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 271379595801609 + 10259452429444 = 16473603^2 + 3203038^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-281639048231053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 281639048230985 and 281639048231003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (281639048231083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 140819524115526 + 140819524115527.

It is an arithmetic number, because the mean of its divisors is an integer number (140819524115527).

Almost surely, 2^{281639048231053} is an apocalyptic number.

It is an amenable number.

281639048231053 is a deficient number, since it is larger than the sum of its proper divisors (1).

281639048231053 is an equidigital number, since it uses as much as digits as its factorization.

281639048231053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7464960, while the sum is 55.

The spelling of 281639048231053 in words is "two hundred eighty-one trillion, six hundred thirty-nine billion, forty-eight million, two hundred thirty-one thousand, fifty-three".