69220838389 has 2 divisors, whose sum is σ = 69220838390. Its totient is φ = 69220838388.

The previous prime is 69220838363. The next prime is 69220838417. The reversal of 69220838389 is 98383802296.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43360982289 + 25859856100 = 208233^2 + 160810^2 .

It is a cyclic number.

It is not a de Polignac number, because 69220838389 - 2⁷ = 69220838261 is a prime.

It is a super-2 number, since 2×69220838389² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69220838329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34610419194 + 34610419195.

It is an arithmetic number, because the mean of its divisors is an integer number (34610419195).

Almost surely, 2^69220838389 is an apocalyptic number.

It is an amenable number.

69220838389 is a deficient number, since it is larger than the sum of its proper divisors (1).

69220838389 is an equidigital number, since it uses as much as digits as its factorization.

69220838389 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8957952, while the sum is 58.

The spelling of 69220838389 in words is "sixty-nine billion, two hundred twenty million, eight hundred thirty-eight thousand, three hundred eighty-nine".