28151726923 has 2 divisors, whose sum is σ = 28151726924. Its totient is φ = 28151726922.

The previous prime is 28151726917. The next prime is 28151726957. The reversal of 28151726923 is 32962715182.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28151726923 - 2⁹ = 28151726411 is a prime.

It is not a weakly prime, because it can be changed into another prime (28151726123) 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 as a sum of consecutive naturals, namely, 14075863461 + 14075863462.

It is an arithmetic number, because the mean of its divisors is an integer number (14075863462).

Almost surely, 2^28151726923 is an apocalyptic number.

28151726923 is a deficient number, since it is larger than the sum of its proper divisors (1).

28151726923 is an equidigital number, since it uses as much as digits as its factorization.

28151726923 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The spelling of 28151726923 in words is "twenty-eight billion, one hundred fifty-one million, seven hundred twenty-six thousand, nine hundred twenty-three".