1367936438081 has 2 divisors, whose sum is σ = 1367936438082. Its totient is φ = 1367936438080.

The previous prime is 1367936438041. The next prime is 1367936438123. The reversal of 1367936438081 is 1808346397631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1002419461681 + 365516976400 = 1001209^2 + 604580^2 .

It is a cyclic number.

It is not a de Polignac number, because 1367936438081 - 2¹⁴ = 1367936421697 is a prime.

It is a super-2 number, since 2×1367936438081² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1367936438081.

It is not a weakly prime, because it can be changed into another prime (1367936438041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683968219040 + 683968219041.

It is an arithmetic number, because the mean of its divisors is an integer number (683968219041).

Almost surely, 2^{1367936438081} is an apocalyptic number.

It is an amenable number.

1367936438081 is a deficient number, since it is larger than the sum of its proper divisors (1).

1367936438081 is an equidigital number, since it uses as much as digits as its factorization.

1367936438081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15676416, while the sum is 59.

The spelling of 1367936438081 in words is "one trillion, three hundred sixty-seven billion, nine hundred thirty-six million, four hundred thirty-eight thousand, eighty-one".