14986066981 has 2 divisors, whose sum is σ = 14986066982. Its totient is φ = 14986066980.

The previous prime is 14986066961. The next prime is 14986067017. The reversal of 14986066981 is 18966068941.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14638580100 + 347486881 = 120990^2 + 18641^2 .

It is an emirp because it is prime and its reverse (18966068941) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14986066981 - 2¹⁵ = 14986034213 is a prime.

It is a super-2 number, since 2×14986066981² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14986066961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7493033490 + 7493033491.

It is an arithmetic number, because the mean of its divisors is an integer number (7493033491).

Almost surely, 2^14986066981 is an apocalyptic number.

It is an amenable number.

14986066981 is a deficient number, since it is larger than the sum of its proper divisors (1).

14986066981 is an equidigital number, since it uses as much as digits as its factorization.

14986066981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 14986066981 in words is "fourteen billion, nine hundred eighty-six million, sixty-six thousand, nine hundred eighty-one".