14781165953 has 2 divisors, whose sum is σ = 14781165954. Its totient is φ = 14781165952.

The previous prime is 14781165923. The next prime is 14781165961. The reversal of 14781165953 is 35956118741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8458848784 + 6322317169 = 91972^2 + 79513^2 .

It is a cyclic number.

It is not a de Polignac number, because 14781165953 - 2¹⁰ = 14781164929 is a prime.

It is not a weakly prime, because it can be changed into another prime (14781165913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7390582976 + 7390582977.

It is an arithmetic number, because the mean of its divisors is an integer number (7390582977).

Almost surely, 2^14781165953 is an apocalyptic number.

It is an amenable number.

14781165953 is a deficient number, since it is larger than the sum of its proper divisors (1).

14781165953 is an equidigital number, since it uses as much as digits as its factorization.

14781165953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 50.

The spelling of 14781165953 in words is "fourteen billion, seven hundred eighty-one million, one hundred sixty-five thousand, nine hundred fifty-three".