28935810650 has 12 divisors (see below), whose sum is σ = 53820607902. Its totient is φ = 11574324240.

The previous prime is 28935810643. The next prime is 28935810661. The reversal of 28935810650 is 5601853982.

It can be written as a sum of positive squares in 3 ways, for example, as 16050609481 + 12885201169 = 126691^2 + 113513^2 .

It is a super-2 number, since 2×28935810650² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 28935810595 and 28935810604.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 289358057 + ... + 289358156.

Almost surely, 2^28935810650 is an apocalyptic number.

28935810650 is a deficient number, since it is larger than the sum of its proper divisors (24884797252).

28935810650 is a wasteful number, since it uses less digits than its factorization.

28935810650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578716225 (or 578716220 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 47.

The spelling of 28935810650 in words is "twenty-eight billion, nine hundred thirty-five million, eight hundred ten thousand, six hundred fifty".