2648454979 has 4 divisors (see below), whose sum is σ = 2648719360. Its totient is φ = 2648190600.

The previous prime is 2648454971. The next prime is 2648454989. The reversal of 2648454979 is 9794548462.

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 2648454979 - 2³ = 2648454971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2648454971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 116547 + ... + 137404.

It is an arithmetic number, because the mean of its divisors is an integer number (662179840).

Almost surely, 2^2648454979 is an apocalyptic number.

2648454979 is a deficient number, since it is larger than the sum of its proper divisors (264381).

2648454979 is a wasteful number, since it uses less digits than its factorization.

2648454979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264380.

The product of its digits is 17418240, while the sum is 58.

The square root of 2648454979 is about 51463.1419464455. The cubic root of 2648454979 is about 1383.5585151916.

The spelling of 2648454979 in words is "two billion, six hundred forty-eight million, four hundred fifty-four thousand, nine hundred seventy-nine".