67929882469 has 2 divisors, whose sum is σ = 67929882470. Its totient is φ = 67929882468.

The previous prime is 67929882439. The next prime is 67929882521. The reversal of 67929882469 is 96428892976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58122941569 + 9806940900 = 241087^2 + 99030^2 .

It is a cyclic number.

It is not a de Polignac number, because 67929882469 - 2¹⁷ = 67929751397 is a prime.

It is a super-2 number, since 2×67929882469² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67929882398 and 67929882407.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67929882439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33964941234 + 33964941235.

It is an arithmetic number, because the mean of its divisors is an integer number (33964941235).

Almost surely, 2^67929882469 is an apocalyptic number.

It is an amenable number.

67929882469 is a deficient number, since it is larger than the sum of its proper divisors (1).

67929882469 is an equidigital number, since it uses as much as digits as its factorization.

67929882469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 188116992, while the sum is 70.

The spelling of 67929882469 in words is "sixty-seven billion, nine hundred twenty-nine million, eight hundred eighty-two thousand, four hundred sixty-nine".