28332731640049 has 2 divisors, whose sum is σ = 28332731640050. Its totient is φ = 28332731640048.

The previous prime is 28332731640041. The next prime is 28332731640097. The reversal of 28332731640049 is 94004613723382.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22963570689024 + 5369160951025 = 4792032^2 + 2317145^2 .

It is a cyclic number.

It is not a de Polignac number, because 28332731640049 - 2³ = 28332731640041 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28332731639978 and 28332731640005.

It is not a weakly prime, because it can be changed into another prime (28332731640041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14166365820024 + 14166365820025.

It is an arithmetic number, because the mean of its divisors is an integer number (14166365820025).

Almost surely, 2^{28332731640049} is an apocalyptic number.

It is an amenable number.

28332731640049 is a deficient number, since it is larger than the sum of its proper divisors (1).

28332731640049 is an equidigital number, since it uses as much as digits as its factorization.

28332731640049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 28332731640049 in words is "twenty-eight trillion, three hundred thirty-two billion, seven hundred thirty-one million, six hundred forty thousand, forty-nine".