128633425450069 has 8 divisors (see below), whose sum is σ = 132783169420800. Its totient is φ = 124483698894000.

The previous prime is 128633425450067. The next prime is 128633425450139. The reversal of 128633425450069 is 960054524336821.

It is a happy number.

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 128633425450069 - 2¹ = 128633425450067 is a prime.

It is a super-3 number, since 3×128633425450069³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 128633425449995 and 128633425450022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (128633425450067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11583744 + ... + 19785094.

It is an arithmetic number, because the mean of its divisors is an integer number (16597896177600).

Almost surely, 2^{128633425450069} is an apocalyptic number.

It is an amenable number.

128633425450069 is a deficient number, since it is larger than the sum of its proper divisors (4149743970731).

128633425450069 is an equidigital number, since it uses as much as digits as its factorization.

128633425450069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8707331.

The product of its (nonzero) digits is 37324800, while the sum is 58.

The spelling of 128633425450069 in words is "one hundred twenty-eight trillion, six hundred thirty-three billion, four hundred twenty-five million, four hundred fifty thousand, sixty-nine".