2666314869 has 4 divisors (see below), whose sum is σ = 3555086496. Its totient is φ = 1777543244.

The previous prime is 2666314837. The next prime is 2666314913. The reversal of 2666314869 is 9684136662.

It is a happy number.

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 2666314869 - 2⁵ = 2666314837 is a prime.

It is a super-2 number, since 2×2666314869² = 14218469961300974322, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666304869) 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, 444385809 + ... + 444385814.

It is an arithmetic number, because the mean of its divisors is an integer number (888771624).

Almost surely, 2^2666314869 is an apocalyptic number.

It is an amenable number.

2666314869 is a deficient number, since it is larger than the sum of its proper divisors (888771627).

2666314869 is an equidigital number, since it uses as much as digits as its factorization.

2666314869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888771626.

The product of its digits is 2239488, while the sum is 51.

The square root of 2666314869 is about 51636.3715708221. The cubic root of 2666314869 is about 1386.6615652998.

The spelling of 2666314869 in words is "two billion, six hundred sixty-six million, three hundred fourteen thousand, eight hundred sixty-nine".