6898265993 has 4 divisors (see below), whose sum is σ = 6898432128. Its totient is φ = 6898099860.

The previous prime is 6898265971. The next prime is 6898266019. The reversal of 6898265993 is 3995628986.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3995628986 = 2 ⋅1997814493.

It is a cyclic number.

It is not a de Polignac number, because 6898265993 - 2⁶ = 6898265929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6898265953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39488 + ... + 123918.

It is an arithmetic number, because the mean of its divisors is an integer number (1724608032).

Almost surely, 2^6898265993 is an apocalyptic number.

It is an amenable number.

6898265993 is a deficient number, since it is larger than the sum of its proper divisors (166135).

6898265993 is an equidigital number, since it uses as much as digits as its factorization.

6898265993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166134.

The product of its digits is 50388480, while the sum is 65.

The square root of 6898265993 is about 83055.8004777511. The cubic root of 6898265993 is about 1903.6187720404.

The spelling of 6898265993 in words is "six billion, eight hundred ninety-eight million, two hundred sixty-five thousand, nine hundred ninety-three".