2173956468 has 24 divisors (see below), whose sum is σ = 5236197120. Its totient is φ = 701276160.

The previous prime is 2173956457. The next prime is 2173956469. The reversal of 2173956468 is 8646593712.

It is a self number, because there is not a number n which added to its sum of digits gives 2173956468.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2173956469) 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, 2921613 + ... + 2922356.

It is an arithmetic number, because the mean of its divisors is an integer number (218174880).

Almost surely, 2^2173956468 is an apocalyptic number.

It is an amenable number.

2173956468 is an abundant number, since it is smaller than the sum of its proper divisors (3062240652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2173956468 is a wasteful number, since it uses less digits than its factorization.

2173956468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5844007 (or 5844005 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The square root of 2173956468 is about 46625.7060858064. The cubic root of 2173956468 is about 1295.4389408618.

The spelling of 2173956468 in words is "two billion, one hundred seventy-three million, nine hundred fifty-six thousand, four hundred sixty-eight".