128496650241 has 8 divisors (see below), whose sum is σ = 171332509984. Its totient is φ = 85662612000.

The previous prime is 128496650237. The next prime is 128496650257. The reversal of 128496650241 is 142056694821.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 128496650241 - 2² = 128496650237 is a prime.

It is a super-2 number, since 2×128496650241² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128496650201) 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, 281260 + ... + 579741.

It is an arithmetic number, because the mean of its divisors is an integer number (21416563748).

Almost surely, 2^128496650241 is an apocalyptic number.

It is an amenable number.

128496650241 is a deficient number, since it is larger than the sum of its proper divisors (42835859743).

128496650241 is an equidigital number, since it uses as much as digits as its factorization.

128496650241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910751.

The product of its (nonzero) digits is 829440, while the sum is 48.

The spelling of 128496650241 in words is "one hundred twenty-eight billion, four hundred ninety-six million, six hundred fifty thousand, two hundred forty-one".