128829554380219 has 16 divisors (see below), whose sum is σ = 167602085429760. Its totient is φ = 96022028108160.

The previous prime is 128829554380199. The next prime is 128829554380231. The reversal of 128829554380219 is 912083455928821.

It is not a de Polignac number, because 128829554380219 - 2¹⁵ = 128829554347451 is a prime.

It is a super-2 number, since 2×128829554380219² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (128829554381219) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36371978574 + ... + 36371982115.

It is an arithmetic number, because the mean of its divisors is an integer number (10475130339360).

Almost surely, 2^{128829554380219} is an apocalyptic number.

128829554380219 is a deficient number, since it is larger than the sum of its proper divisors (38772531049541).

128829554380219 is a wasteful number, since it uses less digits than its factorization.

128829554380219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72743960730.

The product of its (nonzero) digits is 99532800, while the sum is 67.

The spelling of 128829554380219 in words is "one hundred twenty-eight trillion, eight hundred twenty-nine billion, five hundred fifty-four million, three hundred eighty thousand, two hundred nineteen".