6653195893 has 4 divisors (see below), whose sum is σ = 6653417760. Its totient is φ = 6652974028.

The previous prime is 6653195881. The next prime is 6653195909. The reversal of 6653195893 is 3985913566.

It is a happy number.

6653195893 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3985913566 = 2 ⋅1992956783.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6653195893 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6653195093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57313 + ... + 128806.

It is an arithmetic number, because the mean of its divisors is an integer number (1663354440).

Almost surely, 2^6653195893 is an apocalyptic number.

It is an amenable number.

6653195893 is a deficient number, since it is larger than the sum of its proper divisors (221867).

6653195893 is a wasteful number, since it uses less digits than its factorization.

6653195893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221866.

The product of its digits is 5248800, while the sum is 55.

The square root of 6653195893 is about 81567.1250749957. The cubic root of 6653195893 is about 1880.8035546564.

The spelling of 6653195893 in words is "six billion, six hundred fifty-three million, one hundred ninety-five thousand, eight hundred ninety-three".