2662775139 has 4 divisors (see below), whose sum is σ = 3550366856. Its totient is φ = 1775183424.

The previous prime is 2662775119. The next prime is 2662775191. The reversal of 2662775139 is 9315772662.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2662775139 - 2¹⁶ = 2662709603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2662775119) 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 3 ways as a sum of consecutive naturals, for example, 443795854 + ... + 443795859.

It is an arithmetic number, because the mean of its divisors is an integer number (887591714).

Almost surely, 2^2662775139 is an apocalyptic number.

2662775139 is a deficient number, since it is larger than the sum of its proper divisors (887591717).

2662775139 is an equidigital number, since it uses as much as digits as its factorization.

2662775139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 887591716.

The product of its digits is 952560, while the sum is 48.

The square root of 2662775139 is about 51602.0846381229. The cubic root of 2662775139 is about 1386.0476616565.

The spelling of 2662775139 in words is "two billion, six hundred sixty-two million, seven hundred seventy-five thousand, one hundred thirty-nine".