15628133273 has 4 divisors (see below), whose sum is σ = 15628420608. Its totient is φ = 15627845940.

The previous prime is 15628133239. The next prime is 15628133299. The reversal of 15628133273 is 37233182651.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 15628133273 - 2²⁸ = 15359697817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15628133273.

It is not an unprimeable number, because it can be changed into a prime (15628133233) 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, 34361 + ... + 180102.

It is an arithmetic number, because the mean of its divisors is an integer number (3907105152).

Almost surely, 2^15628133273 is an apocalyptic number.

It is an amenable number.

15628133273 is a deficient number, since it is larger than the sum of its proper divisors (287335).

15628133273 is an equidigital number, since it uses as much as digits as its factorization.

15628133273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287334.

The product of its digits is 181440, while the sum is 41.

The spelling of 15628133273 in words is "fifteen billion, six hundred twenty-eight million, one hundred thirty-three thousand, two hundred seventy-three".