2666679562 has 4 divisors (see below), whose sum is σ = 4000019346. Its totient is φ = 1333339780.

The previous prime is 2666679539. The next prime is 2666679563. The reversal of 2666679562 is 2659766662.

2666679562 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 1952667721 + 714011841 = 44189^2 + 26721^2 .

It is a super-2 number, since 2×2666679562² = 14222359772777023688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2666679563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666669889 + ... + 666669892.

Almost surely, 2^2666679562 is an apocalyptic number.

2666679562 is a deficient number, since it is larger than the sum of its proper divisors (1333339784).

2666679562 is a wasteful number, since it uses less digits than its factorization.

2666679562 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333339783.

The product of its digits is 9797760, while the sum is 55.

The square root of 2666679562 is about 51639.9028078094. The cubic root of 2666679562 is about 1386.7247839789.

The spelling of 2666679562 in words is "two billion, six hundred sixty-six million, six hundred seventy-nine thousand, five hundred sixty-two".