289969007 has 2 divisors, whose sum is σ = 289969008. Its totient is φ = 289969006.

The previous prime is 289969003. The next prime is 289969019. The reversal of 289969007 is 700969982.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 289969007 - 2² = 289969003 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (289969003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144984503 + 144984504.

It is an arithmetic number, because the mean of its divisors is an integer number (144984504).

Almost surely, 2^289969007 is an apocalyptic number.

289969007 is a deficient number, since it is larger than the sum of its proper divisors (1).

289969007 is an equidigital number, since it uses as much as digits as its factorization.

289969007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 489888, while the sum is 50.

The square root of 289969007 is about 17028.4763557988. The cubic root of 289969007 is about 661.8870139682.

The spelling of 289969007 in words is "two hundred eighty-nine million, nine hundred sixty-nine thousand, seven".