1067423337221 has 2 divisors, whose sum is σ = 1067423337222. Its totient is φ = 1067423337220.

The previous prime is 1067423337161. The next prime is 1067423337257. The reversal of 1067423337221 is 1227333247601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 992683432225 + 74739904996 = 996335^2 + 273386^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1067423337221 is a prime.

It is a super-2 number, since 2×1067423337221² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1067423330221) 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, 533711668610 + 533711668611.

It is an arithmetic number, because the mean of its divisors is an integer number (533711668611).

Almost surely, 2^{1067423337221} is an apocalyptic number.

It is an amenable number.

1067423337221 is a deficient number, since it is larger than the sum of its proper divisors (1).

1067423337221 is an equidigital number, since it uses as much as digits as its factorization.

1067423337221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 41.

The spelling of 1067423337221 in words is "one trillion, sixty-seven billion, four hundred twenty-three million, three hundred thirty-seven thousand, two hundred twenty-one".