28526473653 has 8 divisors (see below), whose sum is σ = 38037248928. Its totient is φ = 19016673744.

The previous prime is 28526473571. The next prime is 28526473663. The reversal of 28526473653 is 35637462582.

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

It is not a de Polignac number, because 28526473653 - 2¹⁸ = 28526211509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28526473596 and 28526473605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28526473663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172626 + ... + 294707.

It is an arithmetic number, because the mean of its divisors is an integer number (4754656116).

Almost surely, 2^28526473653 is an apocalyptic number.

It is an amenable number.

28526473653 is a deficient number, since it is larger than the sum of its proper divisors (9510775275).

28526473653 is a wasteful number, since it uses less digits than its factorization.

28526473653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487683.

The product of its digits is 7257600, while the sum is 51.

The spelling of 28526473653 in words is "twenty-eight billion, five hundred twenty-six million, four hundred seventy-three thousand, six hundred fifty-three".