298949669 has 2 divisors, whose sum is σ = 298949670. Its totient is φ = 298949668.

The previous prime is 298949659. The next prime is 298949671. The reversal of 298949669 is 966949892.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 296184100 + 2765569 = 17210^2 + 1663^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-298949669 is a prime.

It is a super-2 number, since 2×298949669² = 178741809190419122, which contains 22 as substring.

Together with 298949671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (298949639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 149474834 + 149474835.

It is an arithmetic number, because the mean of its divisors is an integer number (149474835).

Almost surely, 2^298949669 is an apocalyptic number.

It is an amenable number.

298949669 is a deficient number, since it is larger than the sum of its proper divisors (1).

298949669 is an equidigital number, since it uses as much as digits as its factorization.

298949669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15116544, while the sum is 62.

The square root of 298949669 is about 17290.1610460979. The cubic root of 298949669 is about 668.6507852464.

The spelling of 298949669 in words is "two hundred ninety-eight million, nine hundred forty-nine thousand, six hundred sixty-nine".