28321264610 has 8 divisors (see below), whose sum is σ = 50978276316. Its totient is φ = 11328505840.

The previous prime is 28321264589. The next prime is 28321264639. The reversal of 28321264610 is 1646212382.

It can be written as a sum of positive squares in 2 ways, for example, as 27662675041 + 658589569 = 166321^2 + 25663^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1416063221 + ... + 1416063240.

Almost surely, 2^28321264610 is an apocalyptic number.

28321264610 is a deficient number, since it is larger than the sum of its proper divisors (22657011706).

28321264610 is a wasteful number, since it uses less digits than its factorization.

28321264610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2832126468.

The product of its (nonzero) digits is 27648, while the sum is 35.

Adding to 28321264610 its reverse (1646212382), we get a palindrome (29967476992).

The spelling of 28321264610 in words is "twenty-eight billion, three hundred twenty-one million, two hundred sixty-four thousand, six hundred ten".