2662388189 has 4 divisors (see below), whose sum is σ = 2663122656. Its totient is φ = 2661653724.

The previous prime is 2662388149. The next prime is 2662388191. The reversal of 2662388189 is 9818832662.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2662388189 - 2⁸ = 2662387933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2662388189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2662388119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361769 + ... + 369054.

It is an arithmetic number, because the mean of its divisors is an integer number (665780664).

Almost surely, 2^2662388189 is an apocalyptic number.

It is an amenable number.

2662388189 is a deficient number, since it is larger than the sum of its proper divisors (734467).

2662388189 is an equidigital number, since it uses as much as digits as its factorization.

2662388189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734466.

The product of its digits is 1990656, while the sum is 53.

The square root of 2662388189 is about 51598.3351378705. The cubic root of 2662388189 is about 1385.9805190332.

The spelling of 2662388189 in words is "two billion, six hundred sixty-two million, three hundred eighty-eight thousand, one hundred eighty-nine".