14269535981 has 2 divisors, whose sum is σ = 14269535982. Its totient is φ = 14269535980.

The previous prime is 14269535947. The next prime is 14269535993. The reversal of 14269535981 is 18953596241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13423307881 + 846228100 = 115859^2 + 29090^2 .

It is an emirp because it is prime and its reverse (18953596241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14269535981 - 2²⁶ = 14202427117 is a prime.

It is a super-2 number, since 2×14269535981² (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 (14269535281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7134767990 + 7134767991.

It is an arithmetic number, because the mean of its divisors is an integer number (7134767991).

Almost surely, 2^14269535981 is an apocalyptic number.

It is an amenable number.

14269535981 is a deficient number, since it is larger than the sum of its proper divisors (1).

14269535981 is an equidigital number, since it uses as much as digits as its factorization.

14269535981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2332800, while the sum is 53.

The spelling of 14269535981 in words is "fourteen billion, two hundred sixty-nine million, five hundred thirty-five thousand, nine hundred eighty-one".