128495344822 has 16 divisors (see below), whose sum is σ = 207580055760. Its totient is φ = 59302500192.

The previous prime is 128495344801. The next prime is 128495344867. The reversal of 128495344822 is 228443594821.

128495344822 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×128495344822² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 128495344822.

It is a congruent number.

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, 436813 + ... + 669175.

It is an arithmetic number, because the mean of its divisors is an integer number (12973753485).

Almost surely, 2^128495344822 is an apocalyptic number.

128495344822 is a deficient number, since it is larger than the sum of its proper divisors (79084710938).

128495344822 is a wasteful number, since it uses less digits than its factorization.

128495344822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253647.

The product of its digits is 4423680, while the sum is 52.

The spelling of 128495344822 in words is "one hundred twenty-eight billion, four hundred ninety-five million, three hundred forty-four thousand, eight hundred twenty-two".