1729188868971 has 16 divisors (see below), whose sum is σ = 2328561262368. Its totient is φ = 1141305984000.

The previous prime is 1729188868937. The next prime is 1729188869077. The reversal of 1729188868971 is 1798688819271.

It is not a de Polignac number, because 1729188868971 - 2⁷ = 1729188868843 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1729188868893 and 1729188868902.

It is not an unprimeable number, because it can be changed into a prime (1729188818971) 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, 4800541 + ... + 5148161.

It is an arithmetic number, because the mean of its divisors is an integer number (145535078898).

Almost surely, 2^{1729188868971} is an apocalyptic number.

1729188868971 is a deficient number, since it is larger than the sum of its proper divisors (599372393397).

1729188868971 is a wasteful number, since it uses less digits than its factorization.

1729188868971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364142.

The product of its digits is 195084288, while the sum is 75.

The spelling of 1729188868971 in words is "one trillion, seven hundred twenty-nine billion, one hundred eighty-eight million, eight hundred sixty-eight thousand, nine hundred seventy-one".