601189969 has 2 divisors, whose sum is σ = 601189970. Its totient is φ = 601189968.

The previous prime is 601189951. The next prime is 601189991. The reversal of 601189969 is 969981106.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 514699969 + 86490000 = 22687^2 + 9300^2 .

It is a cyclic number.

It is not a de Polignac number, because 601189969 - 2¹⁷ = 601058897 is a prime.

It is a super-2 number, since 2×601189969² = 722858757652441922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (601186969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 300594984 + 300594985.

It is an arithmetic number, because the mean of its divisors is an integer number (300594985).

Almost surely, 2^601189969 is an apocalyptic number.

It is an amenable number.

601189969 is a deficient number, since it is larger than the sum of its proper divisors (1).

601189969 is an equidigital number, since it uses as much as digits as its factorization.

601189969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 49.

The square root of 601189969 is about 24519.1755367100. The cubic root of 601189969 is about 843.9898852699.

The spelling of 601189969 in words is "six hundred one million, one hundred eighty-nine thousand, nine hundred sixty-nine".