2648045461 has 4 divisors (see below), whose sum is σ = 2649124800. Its totient is φ = 2646966124.

The previous prime is 2648045459. The next prime is 2648045473. The reversal of 2648045461 is 1645408462.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1645408462 = 2 ⋅822704231.

It is a cyclic number.

It is not a de Polignac number, because 2648045461 - 2¹ = 2648045459 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 (2648045261) 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, 535981 + ... + 540898.

It is an arithmetic number, because the mean of its divisors is an integer number (662281200).

Almost surely, 2^2648045461 is an apocalyptic number.

It is an amenable number.

2648045461 is a deficient number, since it is larger than the sum of its proper divisors (1079339).

2648045461 is a wasteful number, since it uses less digits than its factorization.

2648045461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079338.

The product of its (nonzero) digits is 184320, while the sum is 40.

The square root of 2648045461 is about 51459.1630421638. The cubic root of 2648045461 is about 1383.4872004910.

The spelling of 2648045461 in words is "two billion, six hundred forty-eight million, forty-five thousand, four hundred sixty-one".