28333834541 has 2 divisors, whose sum is σ = 28333834542. Its totient is φ = 28333834540.

The previous prime is 28333834523. The next prime is 28333834547. The reversal of 28333834541 is 14543833382.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19922193316 + 8411641225 = 141146^2 + 91715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28333834541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28333834492 and 28333834501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28333834547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14166917270 + 14166917271.

It is an arithmetic number, because the mean of its divisors is an integer number (14166917271).

Almost surely, 2^28333834541 is an apocalyptic number.

It is an amenable number.

28333834541 is a deficient number, since it is larger than the sum of its proper divisors (1).

28333834541 is an equidigital number, since it uses as much as digits as its factorization.

28333834541 is an evil number, because the sum of its binary digits is even.

The product of its digits is 829440, while the sum is 44.

The spelling of 28333834541 in words is "twenty-eight billion, three hundred thirty-three million, eight hundred thirty-four thousand, five hundred forty-one".