69369389 has 2 divisors, whose sum is σ = 69369390. Its totient is φ = 69369388.

The previous prime is 69369379. The next prime is 69369397. The reversal of 69369389 is 98396396.

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., 51008164 + 18361225 = 7142^2 + 4285^2 .

It is a cyclic number.

It is not a de Polignac number, because 69369389 - 2⁴ = 69369373 is a prime.

It is a super-2 number, since 2×69369389² = 9624224260466642, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69369389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69369319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34684694 + 34684695.

It is an arithmetic number, because the mean of its divisors is an integer number (34684695).

Almost surely, 2^69369389 is an apocalyptic number.

It is an amenable number.

69369389 is a deficient number, since it is larger than the sum of its proper divisors (1).

69369389 is an equidigital number, since it uses as much as digits as its factorization.

69369389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1889568, while the sum is 53.

The square root of 69369389 is about 8328.8287892116. The cubic root of 69369389 is about 410.8872102261.

The spelling of 69369389 in words is "sixty-nine million, three hundred sixty-nine thousand, three hundred eighty-nine".