28652355373 has 4 divisors (see below), whose sum is σ = 30337788060. Its totient is φ = 26966922688.

The previous prime is 28652355359. The next prime is 28652355419. The reversal of 28652355373 is 37355325682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37355325682 = 2 ⋅18677662841.

It can be written as a sum of positive squares in 2 ways, for example, as 24968108169 + 3684247204 = 158013^2 + 60698^2 .

It is a cyclic number.

It is not a de Polignac number, because 28652355373 - 2¹⁷ = 28652224301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28652355313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 842716318 + ... + 842716351.

It is an arithmetic number, because the mean of its divisors is an integer number (7584447015).

Almost surely, 2^28652355373 is an apocalyptic number.

It is an amenable number.

28652355373 is a deficient number, since it is larger than the sum of its proper divisors (1685432687).

28652355373 is a wasteful number, since it uses less digits than its factorization.

28652355373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1685432686.

The product of its digits is 4536000, while the sum is 49.

The spelling of 28652355373 in words is "twenty-eight billion, six hundred fifty-two million, three hundred fifty-five thousand, three hundred seventy-three".