14889036181 has 2 divisors, whose sum is σ = 14889036182. Its totient is φ = 14889036180.

The previous prime is 14889036157. The next prime is 14889036191. The reversal of 14889036181 is 18163098841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11500632081 + 3388404100 = 107241^2 + 58210^2 .

It is an emirp because it is prime and its reverse (18163098841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14889036181 - 2⁹ = 14889035669 is a prime.

It is a super-2 number, since 2×14889036181² (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 (14889036121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7444518090 + 7444518091.

It is an arithmetic number, because the mean of its divisors is an integer number (7444518091).

Almost surely, 2^14889036181 is an apocalyptic number.

It is an amenable number.

14889036181 is a deficient number, since it is larger than the sum of its proper divisors (1).

14889036181 is an equidigital number, since it uses as much as digits as its factorization.

14889036181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 331776, while the sum is 49.

The spelling of 14889036181 in words is "fourteen billion, eight hundred eighty-nine million, thirty-six thousand, one hundred eighty-one".