69226380521 has 2 divisors, whose sum is σ = 69226380522. Its totient is φ = 69226380520.

The previous prime is 69226380427. The next prime is 69226380529. The reversal of 69226380521 is 12508362296.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 60321816025 + 8904564496 = 245605^2 + 94364^2 .

It is a cyclic number.

It is not a de Polignac number, because 69226380521 - 2³⁴ = 52046511337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (69226380529) 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, 34613190260 + 34613190261.

It is an arithmetic number, because the mean of its divisors is an integer number (34613190261).

Almost surely, 2^69226380521 is an apocalyptic number.

It is an amenable number.

69226380521 is a deficient number, since it is larger than the sum of its proper divisors (1).

69226380521 is an equidigital number, since it uses as much as digits as its factorization.

69226380521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 44.

The spelling of 69226380521 in words is "sixty-nine billion, two hundred twenty-six million, three hundred eighty thousand, five hundred twenty-one".