67767243469 has 2 divisors, whose sum is σ = 67767243470. Its totient is φ = 67767243468.

The previous prime is 67767243457. The next prime is 67767243541. The reversal of 67767243469 is 96434276776.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41274798244 + 26492445225 = 203162^2 + 162765^2 .

It is a cyclic number.

It is not a de Polignac number, because 67767243469 - 2¹⁷ = 67767112397 is a prime.

It is a super-2 number, since 2×67767243469² (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 (67767243409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33883621734 + 33883621735.

It is an arithmetic number, because the mean of its divisors is an integer number (33883621735).

Almost surely, 2^67767243469 is an apocalyptic number.

It is an amenable number.

67767243469 is a deficient number, since it is larger than the sum of its proper divisors (1).

67767243469 is an equidigital number, since it uses as much as digits as its factorization.

67767243469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64012032, while the sum is 61.

The spelling of 67767243469 in words is "sixty-seven billion, seven hundred sixty-seven million, two hundred forty-three thousand, four hundred sixty-nine".