2173729102 has 16 divisors (see below), whose sum is σ = 3281472000. Its totient is φ = 1079915320.

The previous prime is 2173729099. The next prime is 2173729111. The reversal of 2173729102 is 2019273712.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 857577 + ... + 860107.

It is an arithmetic number, because the mean of its divisors is an integer number (205092000).

Almost surely, 2^2173729102 is an apocalyptic number.

2173729102 is a deficient number, since it is larger than the sum of its proper divisors (1107742898).

2173729102 is a wasteful number, since it uses less digits than its factorization.

2173729102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 2173729102 is about 46623.2678176895. The cubic root of 2173729102 is about 1295.3937775779.

The spelling of 2173729102 in words is "two billion, one hundred seventy-three million, seven hundred twenty-nine thousand, one hundred two".