2548669667 has 4 divisors (see below), whose sum is σ = 2567005560. Its totient is φ = 2530333776.

The previous prime is 2548669663. The next prime is 2548669679. The reversal of 2548669667 is 7669668452.

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 2548669667 - 2² = 2548669663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2548669661) 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, 9167738 + ... + 9168015.

It is an arithmetic number, because the mean of its divisors is an integer number (641751390).

Almost surely, 2^2548669667 is an apocalyptic number.

2548669667 is a deficient number, since it is larger than the sum of its proper divisors (18335893).

2548669667 is a wasteful number, since it uses less digits than its factorization.

2548669667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18335892.

The product of its digits is 26127360, while the sum is 59.

The square root of 2548669667 is about 50484.3507138598. The cubic root of 2548669667 is about 1365.9595853826.

The spelling of 2548669667 in words is "two billion, five hundred forty-eight million, six hundred sixty-nine thousand, six hundred sixty-seven".