262622426089 has 3 divisors (see below), whose sum is σ = 262622938557. Its totient is φ = 262621913622.

The previous prime is 262622426081. The next prime is 262622426111. The reversal of 262622426089 is 980624226262.

The square root of 262622426089 is 512467.

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

262622426089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 262622426089 - 2³ = 262622426081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (262622426081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 256234 + ... + 768700.

It is an arithmetic number, because the mean of its divisors is an integer number (87540979519).

Almost surely, 2^262622426089 is an apocalyptic number.

262622426089 is the 512467-th square number.

262622426089 is the 256234-th centered octagonal number.

It is an amenable number.

262622426089 is a deficient number, since it is larger than the sum of its proper divisors (512468).

262622426089 is an frugal number, since it uses more digits than its factorization.

262622426089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024934 (or 512467 counting only the distinct ones).

The product of its (nonzero) digits is 1990656, while the sum is 49.

Multiplying 262622426089 by its sum of digits (49), we get a square (12868498878361 = 3587269²).

The spelling of 262622426089 in words is "two hundred sixty-two billion, six hundred twenty-two million, four hundred twenty-six thousand, eighty-nine".