128598452467 has 4 divisors (see below), whose sum is σ = 136163067336. Its totient is φ = 121033837600.

The previous prime is 128598452459. The next prime is 128598452483. The reversal of 128598452467 is 764254895821.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 764254895821 = 3019 ⋅253148359.

It is a cyclic number.

It is not a de Polignac number, because 128598452467 - 2³ = 128598452459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128598450467) 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 3 ways as a sum of consecutive naturals, for example, 3782307409 + ... + 3782307442.

It is an arithmetic number, because the mean of its divisors is an integer number (34040766834).

Almost surely, 2^128598452467 is an apocalyptic number.

128598452467 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

128598452467 is a deficient number, since it is larger than the sum of its proper divisors (7564614869).

128598452467 is an equidigital number, since it uses as much as digits as its factorization.

128598452467 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7564614868.

The product of its digits is 38707200, while the sum is 61.

The spelling of 128598452467 in words is "one hundred twenty-eight billion, five hundred ninety-eight million, four hundred fifty-two thousand, four hundred sixty-seven".