128419229667 has 32 divisors (see below), whose sum is σ = 179316783360. Its totient is φ = 81666023040.

The previous prime is 128419229657. The next prime is 128419229669. The reversal of 128419229667 is 766922914821.

It is not a de Polignac number, because 128419229667 - 2²² = 128415035363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128419229669) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2416492 + ... + 2469062.

It is an arithmetic number, because the mean of its divisors is an integer number (5603649480).

Almost surely, 2^128419229667 is an apocalyptic number.

128419229667 is a deficient number, since it is larger than the sum of its proper divisors (50897553693).

128419229667 is a wasteful number, since it uses less digits than its factorization.

128419229667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53043.

The product of its digits is 5225472, while the sum is 57.

The spelling of 128419229667 in words is "one hundred twenty-eight billion, four hundred nineteen million, two hundred twenty-nine thousand, six hundred sixty-seven".