2548655671 has 4 divisors (see below), whose sum is σ = 2557856872. Its totient is φ = 2539454472.

The previous prime is 2548655651. The next prime is 2548655723. The reversal of 2548655671 is 1765568452.

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 2548655671 - 2⁹ = 2548655159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2548655651) 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, 4600185 + ... + 4600738.

It is an arithmetic number, because the mean of its divisors is an integer number (639464218).

Almost surely, 2^2548655671 is an apocalyptic number.

2548655671 is a deficient number, since it is larger than the sum of its proper divisors (9201201).

2548655671 is an equidigital number, since it uses as much as digits as its factorization.

2548655671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9201200.

The product of its digits is 2016000, while the sum is 49.

The square root of 2548655671 is about 50484.2120964565. The cubic root of 2548655671 is about 1365.9570849925.

The spelling of 2548655671 in words is "two billion, five hundred forty-eight million, six hundred fifty-five thousand, six hundred seventy-one".