128729496363 has 8 divisors (see below), whose sum is σ = 184842353808. Its totient is φ = 79218151584.

The previous prime is 128729496361. The next prime is 128729496367. The reversal of 128729496363 is 363694927821.

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

It is not a de Polignac number, because 128729496363 - 2¹ = 128729496361 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 128729496297 and 128729496306.

It is not an unprimeable number, because it can be changed into a prime (128729496361) 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, 1650378120 + ... + 1650378197.

It is an arithmetic number, because the mean of its divisors is an integer number (23105294226).

Almost surely, 2^128729496363 is an apocalyptic number.

128729496363 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

128729496363 is a deficient number, since it is larger than the sum of its proper divisors (56112857445).

128729496363 is a wasteful number, since it uses less digits than its factorization.

128729496363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3300756333.

The product of its digits is 23514624, while the sum is 60.

The spelling of 128729496363 in words is "one hundred twenty-eight billion, seven hundred twenty-nine million, four hundred ninety-six thousand, three hundred sixty-three".