2679452866 has 4 divisors (see below), whose sum is σ = 4019179302. Its totient is φ = 1339726432.

The previous prime is 2679452857. The next prime is 2679452887. The reversal of 2679452866 is 6682549762.

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

It can be written as a sum of positive squares in only one way, i.e., 1650390625 + 1029062241 = 40625^2 + 32079^2 .

It is a super-2 number, since 2×2679452866² = 14358935322231227912, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669863215 + ... + 669863218.

Almost surely, 2^2679452866 is an apocalyptic number.

2679452866 is a deficient number, since it is larger than the sum of its proper divisors (1339726436).

2679452866 is a wasteful number, since it uses less digits than its factorization.

2679452866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1339726435.

The product of its digits is 8709120, while the sum is 55.

The square root of 2679452866 is about 51763.4317448138. The cubic root of 2679452866 is about 1388.9353796145.

The spelling of 2679452866 in words is "two billion, six hundred seventy-nine million, four hundred fifty-two thousand, eight hundred sixty-six".