128762464659 has 16 divisors (see below), whose sum is σ = 182940163488. Its totient is φ = 80277530112.

The previous prime is 128762464651. The next prime is 128762464661. The reversal of 128762464659 is 956464267821.

It is a happy number.

It is not a de Polignac number, because 128762464659 - 2³ = 128762464651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (128762464651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8032612 + ... + 8048625.

It is an arithmetic number, because the mean of its divisors is an integer number (11433760218).

Almost surely, 2^128762464659 is an apocalyptic number.

128762464659 is a deficient number, since it is larger than the sum of its proper divisors (54177698829).

128762464659 is a wasteful number, since it uses less digits than its factorization.

128762464659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16081414.

The product of its digits is 34836480, while the sum is 60.

The spelling of 128762464659 in words is "one hundred twenty-eight billion, seven hundred sixty-two million, four hundred sixty-four thousand, six hundred fifty-nine".