14780038336681 has 2 divisors, whose sum is σ = 14780038336682. Its totient is φ = 14780038336680.

The previous prime is 14780038336673. The next prime is 14780038336711. The reversal of 14780038336681 is 18663383008741.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9283751955625 + 5496286381056 = 3046925^2 + 2344416^2 .

It is a cyclic number.

It is not a de Polignac number, because 14780038336681 - 2³ = 14780038336673 is a prime.

It is a super-2 number, since 2×14780038336681² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (14780038336081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7390019168340 + 7390019168341.

It is an arithmetic number, because the mean of its divisors is an integer number (7390019168341).

Almost surely, 2^{14780038336681} is an apocalyptic number.

It is an amenable number.

14780038336681 is a deficient number, since it is larger than the sum of its proper divisors (1).

14780038336681 is an equidigital number, since it uses as much as digits as its factorization.

14780038336681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13934592, while the sum is 58.

The spelling of 14780038336681 in words is "fourteen trillion, seven hundred eighty billion, thirty-eight million, three hundred thirty-six thousand, six hundred eighty-one".