14780780869 has 2 divisors, whose sum is σ = 14780780870. Its totient is φ = 14780780868.

The previous prime is 14780780797. The next prime is 14780780899. The reversal of 14780780869 is 96808708741.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11696422500 + 3084358369 = 108150^2 + 55537^2 .

It is a cyclic number.

It is not a de Polignac number, because 14780780869 - 2¹⁹ = 14780256581 is a prime.

It is a super-2 number, since 2×14780780869² (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 (14780780899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7390390434 + 7390390435.

It is an arithmetic number, because the mean of its divisors is an integer number (7390390435).

Almost surely, 2^14780780869 is an apocalyptic number.

It is an amenable number.

14780780869 is a deficient number, since it is larger than the sum of its proper divisors (1).

14780780869 is an equidigital number, since it uses as much as digits as its factorization.

14780780869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5419008, while the sum is 58.

The spelling of 14780780869 in words is "fourteen billion, seven hundred eighty million, seven hundred eighty thousand, eight hundred sixty-nine".