67404670669069 has 2 divisors, whose sum is σ = 67404670669070. Its totient is φ = 67404670669068.

The previous prime is 67404670669033. The next prime is 67404670669093. The reversal of 67404670669069 is 96096607640476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66668613057225 + 736057611844 = 8165085^2 + 857938^2 .

It is a cyclic number.

It is not a de Polignac number, because 67404670669069 - 2⁷ = 67404670668941 is a prime.

It is a super-2 number, since 2×67404670669069² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 67404670668989 and 67404670669007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67404670669009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33702335334534 + 33702335334535.

It is an arithmetic number, because the mean of its divisors is an integer number (33702335334535).

Almost surely, 2^{67404670669069} is an apocalyptic number.

It is an amenable number.

67404670669069 is a deficient number, since it is larger than the sum of its proper divisors (1).

67404670669069 is an equidigital number, since it uses as much as digits as its factorization.

67404670669069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 493807104, while the sum is 70.

The spelling of 67404670669069 in words is "sixty-seven trillion, four hundred four billion, six hundred seventy million, six hundred sixty-nine thousand, sixty-nine".