14815056989 has 2 divisors, whose sum is σ = 14815056990. Its totient is φ = 14815056988.

The previous prime is 14815056967. The next prime is 14815057003. The reversal of 14815056989 is 98965051841.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14815028089 + 28900 = 121717^2 + 170^2 .

It is a cyclic number.

It is not a de Polignac number, because 14815056989 - 2¹² = 14815052893 is a prime.

It is a super-2 number, since 2×14815056989² (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 (14815056689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7407528494 + 7407528495.

It is an arithmetic number, because the mean of its divisors is an integer number (7407528495).

Almost surely, 2^14815056989 is an apocalyptic number.

It is an amenable number.

14815056989 is a deficient number, since it is larger than the sum of its proper divisors (1).

14815056989 is an equidigital number, since it uses as much as digits as its factorization.

14815056989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3110400, while the sum is 56.

The spelling of 14815056989 in words is "fourteen billion, eight hundred fifteen million, fifty-six thousand, nine hundred eighty-nine".