28150417133 has 2 divisors, whose sum is σ = 28150417134. Its totient is φ = 28150417132.

The previous prime is 28150417121. The next prime is 28150417171. The reversal of 28150417133 is 33171405182.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14943351049 + 13207066084 = 122243^2 + 114922^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-28150417133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28150417093 and 28150417102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28150417103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14075208566 + 14075208567.

It is an arithmetic number, because the mean of its divisors is an integer number (14075208567).

Almost surely, 2^28150417133 is an apocalyptic number.

It is an amenable number.

28150417133 is a deficient number, since it is larger than the sum of its proper divisors (1).

28150417133 is an equidigital number, since it uses as much as digits as its factorization.

28150417133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 35.

The spelling of 28150417133 in words is "twenty-eight billion, one hundred fifty million, four hundred seventeen thousand, one hundred thirty-three".