269982143 has 2 divisors, whose sum is σ = 269982144. Its totient is φ = 269982142.

The previous prime is 269982121. The next prime is 269982187. The reversal of 269982143 is 341289962.

It is an a-pointer prime, because the next prime (269982187) can be obtained adding 269982143 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 269982143 - 2¹² = 269978047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 269982094 and 269982103.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (269982113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134991071 + 134991072.

It is an arithmetic number, because the mean of its divisors is an integer number (134991072).

Almost surely, 2^269982143 is an apocalyptic number.

269982143 is a deficient number, since it is larger than the sum of its proper divisors (1).

269982143 is an equidigital number, since it uses as much as digits as its factorization.

269982143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186624, while the sum is 44.

The square root of 269982143 is about 16431.1333449644. The cubic root of 269982143 is about 646.3161579027.

The spelling of 269982143 in words is "two hundred sixty-nine million, nine hundred eighty-two thousand, one hundred forty-three".