2648603993 has 16 divisors (see below), whose sum is σ = 3049436160. Its totient is φ = 2253449616.

The previous prime is 2648603941. The next prime is 2648603999. The reversal of 2648603993 is 3993068462.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2648603993 is a prime.

It is a super-2 number, since 2×2648603993² = 14030206223471088098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2648603999) 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, 568130 + ... + 572772.

It is an arithmetic number, because the mean of its divisors is an integer number (190589760).

Almost surely, 2^2648603993 is an apocalyptic number.

It is an amenable number.

2648603993 is a deficient number, since it is larger than the sum of its proper divisors (400832167).

2648603993 is a wasteful number, since it uses less digits than its factorization.

2648603993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5236.

The product of its (nonzero) digits is 1679616, while the sum is 50.

The square root of 2648603993 is about 51464.5897001035. The cubic root of 2648603993 is about 1383.5844631152.

The spelling of 2648603993 in words is "two billion, six hundred forty-eight million, six hundred three thousand, nine hundred ninety-three".