314689489 has 2 divisors, whose sum is σ = 314689490. Its totient is φ = 314689488.

The previous prime is 314689483. The next prime is 314689547. The reversal of 314689489 is 984986413.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 313290000 + 1399489 = 17700^2 + 1183^2 .

It is an emirp because it is prime and its reverse (984986413) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 314689489 - 2⁹ = 314688977 is a prime.

It is a super-2 number, since 2×314689489² = 198058948974162242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (314689483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157344744 + 157344745.

It is an arithmetic number, because the mean of its divisors is an integer number (157344745).

Almost surely, 2^314689489 is an apocalyptic number.

It is an amenable number.

314689489 is a deficient number, since it is larger than the sum of its proper divisors (1).

314689489 is an equidigital number, since it uses as much as digits as its factorization.

314689489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1492992, while the sum is 52.

The square root of 314689489 is about 17739.4895360605. The cubic root of 314689489 is about 680.1855671467.

The spelling of 314689489 in words is "three hundred fourteen million, six hundred eighty-nine thousand, four hundred eighty-nine".