2648778753 has 16 divisors (see below), whose sum is σ = 3585326976. Its totient is φ = 1739095680.

The previous prime is 2648778673. The next prime is 2648778761. The reversal of 2648778753 is 3578778462.

It is a happy number.

It is not a de Polignac number, because 2648778753 - 2⁹ = 2648778241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2648778693 and 2648778702.

It is not an unprimeable number, because it can be changed into a prime (2648778053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206125 + ... + 218597.

It is an arithmetic number, because the mean of its divisors is an integer number (224082936).

Almost surely, 2^2648778753 is an apocalyptic number.

It is an amenable number.

2648778753 is a deficient number, since it is larger than the sum of its proper divisors (936548223).

2648778753 is a wasteful number, since it uses less digits than its factorization.

2648778753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13544.

The product of its digits is 15805440, while the sum is 57.

The square root of 2648778753 is about 51466.2875385431. The cubic root of 2648778753 is about 1383.6148929697.

The spelling of 2648778753 in words is "two billion, six hundred forty-eight million, seven hundred seventy-eight thousand, seven hundred fifty-three".