2688198143 has 2 divisors, whose sum is σ = 2688198144. Its totient is φ = 2688198142.

The previous prime is 2688198137. The next prime is 2688198167. The reversal of 2688198143 is 3418918862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2688198143 - 2⁴ = 2688198127 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2688198091 and 2688198100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2688198043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1344099071 + 1344099072.

It is an arithmetic number, because the mean of its divisors is an integer number (1344099072).

Almost surely, 2^2688198143 is an apocalyptic number.

2688198143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2688198143 is an equidigital number, since it uses as much as digits as its factorization.

2688198143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 50.

The square root of 2688198143 is about 51847.8364350915. The cubic root of 2688198143 is about 1390.4448213189. Note that the first 3 decimals are identical.

The spelling of 2688198143 in words is "two billion, six hundred eighty-eight million, one hundred ninety-eight thousand, one hundred forty-three".