2648649135984 has 160 divisors (see below), whose sum is σ = 7294929719616. Its totient is φ = 825218580480.

The previous prime is 2648649135973. The next prime is 2648649135991. The reversal of 2648649135984 is 4895319468462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89524074 + ... + 89553654.

Almost surely, 2^{2648649135984} is an apocalyptic number.

2648649135984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2648649135984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3647464859808).

2648649135984 is an abundant number, since it is smaller than the sum of its proper divisors (4646280583632).

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

2648649135984 is a wasteful number, since it uses less digits than its factorization.

2648649135984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30363 (or 30357 counting only the distinct ones).

The product of its digits is 358318080, while the sum is 69.

The spelling of 2648649135984 in words is "two trillion, six hundred forty-eight billion, six hundred forty-nine million, one hundred thirty-five thousand, nine hundred eighty-four".