128598452465 has 8 divisors (see below), whose sum is σ = 176363592000. Its totient is φ = 88181795952.

The previous prime is 128598452459. The next prime is 128598452483. The reversal of 128598452465 is 564254895821.

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 128598452465 - 2⁶ = 128598452401 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1837120715 + ... + 1837120784.

It is an arithmetic number, because the mean of its divisors is an integer number (22045449000).

Almost surely, 2^128598452465 is an apocalyptic number.

It is an amenable number.

128598452465 is a deficient number, since it is larger than the sum of its proper divisors (47765139535).

128598452465 is an equidigital number, since it uses as much as digits as its factorization.

128598452465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674241511.

The product of its digits is 27648000, while the sum is 59.

The spelling of 128598452465 in words is "one hundred twenty-eight billion, five hundred ninety-eight million, four hundred fifty-two thousand, four hundred sixty-five".