28050302529 has 6 divisors (see below), whose sum is σ = 40517103666. Its totient is φ = 18700201680.

The previous prime is 28050302453. The next prime is 28050302573. The reversal of 28050302529 is 92520305082.

28050302529 is a `hidden beast` number, since 2 + 80 + 50 + 3 + 0 + 2 + 529 = 666.

It can be written as a sum of positive squares in only one way, i.e., 17535850929 + 10514451600 = 132423^2 + 102540^2 .

It is a de Polignac number, because none of the positive numbers 2^k-28050302529 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28050302493 and 28050302502.

It is not an unprimeable number, because it can be changed into a prime (28050300529) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1558350132 + ... + 1558350149.

It is an arithmetic number, because the mean of its divisors is an integer number (6752850611).

Almost surely, 2^28050302529 is an apocalyptic number.

It is an amenable number.

28050302529 is a deficient number, since it is larger than the sum of its proper divisors (12466801137).

28050302529 is a wasteful number, since it uses less digits than its factorization.

28050302529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3116700287 (or 3116700284 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The spelling of 28050302529 in words is "twenty-eight billion, fifty million, three hundred two thousand, five hundred twenty-nine".