2668292547 has 4 divisors (see below), whose sum is σ = 3557723400. Its totient is φ = 1778861696.

The previous prime is 2668292533. The next prime is 2668292563. The reversal of 2668292547 is 7452928662.

It is a happy number.

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 2668292547 - 2³⁰ = 1594550723 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2668292547.

It is not an unprimeable number, because it can be changed into a prime (2668292567) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 444715422 + ... + 444715427.

It is an arithmetic number, because the mean of its divisors is an integer number (889430850).

Almost surely, 2^2668292547 is an apocalyptic number.

2668292547 is a deficient number, since it is larger than the sum of its proper divisors (889430853).

2668292547 is an equidigital number, since it uses as much as digits as its factorization.

2668292547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 889430852.

The product of its digits is 2903040, while the sum is 51.

The square root of 2668292547 is about 51655.5180692247. The cubic root of 2668292547 is about 1387.0043220578.

The spelling of 2668292547 in words is "two billion, six hundred sixty-eight million, two hundred ninety-two thousand, five hundred forty-seven".