69060989 has 2 divisors, whose sum is σ = 69060990. Its totient is φ = 69060988.

The previous prime is 69060947. The next prime is 69061007. The reversal of 69060989 is 98906096.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53772889 + 15288100 = 7333^2 + 3910^2 .

It is a cyclic number.

It is not a de Polignac number, because 69060989 - 2²⁴ = 52283773 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69062989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34530494 + 34530495.

It is an arithmetic number, because the mean of its divisors is an integer number (34530495).

Almost surely, 2^69060989 is an apocalyptic number.

It is an amenable number.

69060989 is a deficient number, since it is larger than the sum of its proper divisors (1).

69060989 is an equidigital number, since it uses as much as digits as its factorization.

69060989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 69060989 is about 8310.2941584519. The cubic root of 69060989 is about 410.2774029887.

The spelling of 69060989 in words is "sixty-nine million, sixty thousand, nine hundred eighty-nine".