2173728363 has 8 divisors (see below), whose sum is σ = 2927000976. Its totient is φ = 1434804000.

The previous prime is 2173728353. The next prime is 2173728481. The reversal of 2173728363 is 3638273712.

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

It is not a de Polignac number, because 2173728363 - 2²⁰ = 2172679787 is a prime.

It is a super-2 number, since 2×2173728363² = 9450189992221319538, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2173728353) 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, 3586708 + ... + 3587313.

It is an arithmetic number, because the mean of its divisors is an integer number (365875122).

Almost surely, 2^2173728363 is an apocalyptic number.

2173728363 is a deficient number, since it is larger than the sum of its proper divisors (753272613).

2173728363 is a wasteful number, since it uses less digits than its factorization.

2173728363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7174125.

The product of its digits is 254016, while the sum is 42.

The square root of 2173728363 is about 46623.2598924614. The cubic root of 2173728363 is about 1295.3936307801.

The spelling of 2173728363 in words is "two billion, one hundred seventy-three million, seven hundred twenty-eight thousand, three hundred sixty-three".