270199889 has 2 divisors, whose sum is σ = 270199890. Its totient is φ = 270199888.

The previous prime is 270199861. The next prime is 270199903. The reversal of 270199889 is 988991072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 246238864 + 23961025 = 15692^2 + 4895^2 .

It is a cyclic number.

It is not a de Polignac number, because 270199889 - 2¹⁶ = 270134353 is a prime.

It is a super-2 number, since 2×270199889² = 146015960031224642, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 270199889.

It is not a weakly prime, because it can be changed into another prime (270199859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 135099944 + 135099945.

It is an arithmetic number, because the mean of its divisors is an integer number (135099945).

Almost surely, 2^270199889 is an apocalyptic number.

It is an amenable number.

270199889 is a deficient number, since it is larger than the sum of its proper divisors (1).

270199889 is an equidigital number, since it uses as much as digits as its factorization.

270199889 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 53.

The square root of 270199889 is about 16437.7580283930. The cubic root of 270199889 is about 646.4898668487.

The spelling of 270199889 in words is "two hundred seventy million, one hundred ninety-nine thousand, eight hundred eighty-nine".