2648344990855 has 32 divisors (see below), whose sum is σ = 3376803769344. Its totient is φ = 1989852243456.

The previous prime is 2648344990849. The next prime is 2648344990867. The reversal of 2648344990855 is 5580994438462.

It is a cyclic number.

It is not a de Polignac number, because 2648344990855 - 2¹⁵ = 2648344958087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 438142 + ... + 2342788.

It is an arithmetic number, because the mean of its divisors is an integer number (105525117792).

Almost surely, 2^{2648344990855} is an apocalyptic number.

2648344990855 is a deficient number, since it is larger than the sum of its proper divisors (728458778489).

2648344990855 is a wasteful number, since it uses less digits than its factorization.

2648344990855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904895.

The product of its (nonzero) digits is 298598400, while the sum is 67.

The spelling of 2648344990855 in words is "two trillion, six hundred forty-eight billion, three hundred forty-four million, nine hundred ninety thousand, eight hundred fifty-five".