28733980253 has 8 divisors (see below), whose sum is σ = 31350233280. Its totient is φ = 26118406080.

The previous prime is 28733980241. The next prime is 28733980309. The reversal of 28733980253 is 35208933782.

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

It is a cyclic number.

It is not a de Polignac number, because 28733980253 - 2¹² = 28733976157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28733980213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79100 + ... + 252437.

It is an arithmetic number, because the mean of its divisors is an integer number (3918779160).

Almost surely, 2^28733980253 is an apocalyptic number.

It is an amenable number.

28733980253 is a deficient number, since it is larger than the sum of its proper divisors (2616253027).

28733980253 is a wasteful number, since it uses less digits than its factorization.

28733980253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339427.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 28733980253 in words is "twenty-eight billion, seven hundred thirty-three million, nine hundred eighty thousand, two hundred fifty-three".