2648689464 has 16 divisors (see below), whose sum is σ = 6621723720. Its totient is φ = 882896480.

The previous prime is 2648689429. The next prime is 2648689487. The reversal of 2648689464 is 4649868462.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55181007 + ... + 55181054.

Almost surely, 2^2648689464 is an apocalyptic number.

2648689464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2648689464 is an abundant number, since it is smaller than the sum of its proper divisors (3973034256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2648689464 is a wasteful number, since it uses less digits than its factorization.

2648689464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110362070 (or 110362066 counting only the distinct ones).

The product of its digits is 15925248, while the sum is 57.

The square root of 2648689464 is about 51465.4200798944. The cubic root of 2648689464 is about 1383.5993458076.

The spelling of 2648689464 in words is "two billion, six hundred forty-eight million, six hundred eighty-nine thousand, four hundred sixty-four".