28232675441 has 2 divisors, whose sum is σ = 28232675442. Its totient is φ = 28232675440.

The previous prime is 28232675389. The next prime is 28232675501. The reversal of 28232675441 is 14457623282.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18569785441 + 9662890000 = 136271^2 + 98300^2 .

It is a cyclic number.

It is not a de Polignac number, because 28232675441 - 2²² = 28228481137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28232675392 and 28232675401.

It is not a weakly prime, because it can be changed into another prime (28232674441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14116337720 + 14116337721.

It is an arithmetic number, because the mean of its divisors is an integer number (14116337721).

Almost surely, 2^28232675441 is an apocalyptic number.

It is an amenable number.

28232675441 is a deficient number, since it is larger than the sum of its proper divisors (1).

28232675441 is an equidigital number, since it uses as much as digits as its factorization.

28232675441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 44.

The spelling of 28232675441 in words is "twenty-eight billion, two hundred thirty-two million, six hundred seventy-five thousand, four hundred forty-one".