2666452231 has 4 divisors (see below), whose sum is σ = 2728462792. Its totient is φ = 2604441672.

The previous prime is 2666452223. The next prime is 2666452277. The reversal of 2666452231 is 1322546662.

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

It is a cyclic number.

It is not a de Polignac number, because 2666452231 - 2³ = 2666452223 is a prime.

It is a super-2 number, since 2×2666452231² = 14219935000409754722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2666452331) 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, 31005216 + ... + 31005301.

It is an arithmetic number, because the mean of its divisors is an integer number (682115698).

Almost surely, 2^2666452231 is an apocalyptic number.

2666452231 is a deficient number, since it is larger than the sum of its proper divisors (62010561).

2666452231 is an equidigital number, since it uses as much as digits as its factorization.

2666452231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62010560.

The product of its digits is 103680, while the sum is 37.

The square root of 2666452231 is about 51637.7016432761. The cubic root of 2666452231 is about 1386.6853773581.

Adding to 2666452231 its reverse (1322546662), we get a palindrome (3988998893).

The spelling of 2666452231 in words is "two billion, six hundred sixty-six million, four hundred fifty-two thousand, two hundred thirty-one".