28135022033 has 2 divisors, whose sum is σ = 28135022034. Its totient is φ = 28135022032.

The previous prime is 28135021969. The next prime is 28135022057. The reversal of 28135022033 is 33022053182.

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., 26875339969 + 1259682064 = 163937^2 + 35492^2 .

It is a cyclic number.

It is not a de Polignac number, because 28135022033 - 2⁶ = 28135021969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28135021987 and 28135022005.

It is not a weakly prime, because it can be changed into another prime (28135022063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14067511016 + 14067511017.

It is an arithmetic number, because the mean of its divisors is an integer number (14067511017).

Almost surely, 2^28135022033 is an apocalyptic number.

It is an amenable number.

28135022033 is a deficient number, since it is larger than the sum of its proper divisors (1).

28135022033 is an equidigital number, since it uses as much as digits as its factorization.

28135022033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 28135022033 in words is "twenty-eight billion, one hundred thirty-five million, twenty-two thousand, thirty-three".