69994889 has 2 divisors, whose sum is σ = 69994890. Its totient is φ = 69994888.

The previous prime is 69994871. The next prime is 69994921. The reversal of 69994889 is 98849996.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60964864 + 9030025 = 7808^2 + 3005^2 .

It is a cyclic number.

It is not a de Polignac number, because 69994889 - 2²⁰ = 68946313 is a prime.

It is a super-2 number, since 2×69994889² = 9798568972244642, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (69994829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34997444 + 34997445.

It is an arithmetic number, because the mean of its divisors is an integer number (34997445).

Almost surely, 2^69994889 is an apocalyptic number.

It is an amenable number.

69994889 is a deficient number, since it is larger than the sum of its proper divisors (1).

69994889 is an equidigital number, since it uses as much as digits as its factorization.

69994889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10077696, while the sum is 62.

The square root of 69994889 is about 8366.2948190941. The cubic root of 69994889 is about 412.1184993133.

The spelling of 69994889 in words is "sixty-nine million, nine hundred ninety-four thousand, eight hundred eighty-nine".