28469752147 has 2 divisors, whose sum is σ = 28469752148. Its totient is φ = 28469752146.

The previous prime is 28469752121. The next prime is 28469752271. The reversal of 28469752147 is 74125796482.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28469752147 - 2¹⁵ = 28469719379 is a prime.

It is a super-2 number, since 2×28469752147² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28469752447) 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, 14234876073 + 14234876074.

It is an arithmetic number, because the mean of its divisors is an integer number (14234876074).

Almost surely, 2^28469752147 is an apocalyptic number.

28469752147 is a deficient number, since it is larger than the sum of its proper divisors (1).

28469752147 is an equidigital number, since it uses as much as digits as its factorization.

28469752147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6773760, while the sum is 55.

The spelling of 28469752147 in words is "twenty-eight billion, four hundred sixty-nine million, seven hundred fifty-two thousand, one hundred forty-seven".