67343028469 has 2 divisors, whose sum is σ = 67343028470. Its totient is φ = 67343028468.

The previous prime is 67343028439. The next prime is 67343028481. The reversal of 67343028469 is 96482034376.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62081702244 + 5261326225 = 249162^2 + 72535^2 .

It is a cyclic number.

It is not a de Polignac number, because 67343028469 - 2⁵ = 67343028437 is a prime.

It is a super-2 number, since 2×67343028469² (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 (67343028419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33671514234 + 33671514235.

It is an arithmetic number, because the mean of its divisors is an integer number (33671514235).

Almost surely, 2^67343028469 is an apocalyptic number.

It is an amenable number.

67343028469 is a deficient number, since it is larger than the sum of its proper divisors (1).

67343028469 is an equidigital number, since it uses as much as digits as its factorization.

67343028469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5225472, while the sum is 52.

The spelling of 67343028469 in words is "sixty-seven billion, three hundred forty-three million, twenty-eight thousand, four hundred sixty-nine".