438738106206067 has 2 divisors, whose sum is σ = 438738106206068. Its totient is φ = 438738106206066.

The previous prime is 438738106205999. The next prime is 438738106206077. The reversal of 438738106206067 is 760602601837834.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-438738106206067 is a prime.

It is a super-2 number, since 2×438738106206067² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 438738106205996 and 438738106206014.

It is not a weakly prime, because it can be changed into another prime (438738106206077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219369053103033 + 219369053103034.

It is an arithmetic number, because the mean of its divisors is an integer number (219369053103034).

Almost surely, 2^{438738106206067} is an apocalyptic number.

438738106206067 is a deficient number, since it is larger than the sum of its proper divisors (1).

438738106206067 is an equidigital number, since it uses as much as digits as its factorization.

438738106206067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48771072, while the sum is 61.

The spelling of 438738106206067 in words is "four hundred thirty-eight trillion, seven hundred thirty-eight billion, one hundred six million, two hundred six thousand, sixty-seven".