4002268321489 has 27 divisors (see below), whose sum is σ = 4287222444969. Its totient is φ = 3735698770440.

The previous prime is 4002268321433. The next prime is 4002268321507. The reversal of 4002268321489 is 9841238622004.

The square root of 4002268321489 is 2000567.

It is a perfect power (a square), and thus also a powerful number.

4002268321489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4002268321489 - 2⁹ = 4002268320977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4002268321889) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2698764142 + ... + 2698765624.

Almost surely, 2^{4002268321489} is an apocalyptic number.

4002268321489 is the 2000567-th square number.

4002268321489 is the 1000284-th centered octagonal number.

It is an amenable number.

4002268321489 is a deficient number, since it is larger than the sum of its proper divisors (284954123480).

4002268321489 is an frugal number, since it uses more digits than its factorization.

4002268321489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3146 (or 1573 counting only the distinct ones).

The product of its (nonzero) digits is 1327104, while the sum is 49.

Multiplying 4002268321489 by its sum of digits (49), we get a square (196111147752961 = 14003969²).

The spelling of 4002268321489 in words is "four trillion, two billion, two hundred sixty-eight million, three hundred twenty-one thousand, four hundred eighty-nine".