14547549389 has 2 divisors, whose sum is σ = 14547549390. Its totient is φ = 14547549388.

The previous prime is 14547549319. The next prime is 14547549403. The reversal of 14547549389 is 98394574541.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10339432489 + 4208116900 = 101683^2 + 64870^2 .

It is a cyclic number.

It is not a de Polignac number, because 14547549389 - 2¹² = 14547545293 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14547549319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7273774694 + 7273774695.

It is an arithmetic number, because the mean of its divisors is an integer number (7273774695).

Almost surely, 2^14547549389 is an apocalyptic number.

It is an amenable number.

14547549389 is a deficient number, since it is larger than the sum of its proper divisors (1).

14547549389 is an equidigital number, since it uses as much as digits as its factorization.

14547549389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21772800, while the sum is 59.

The spelling of 14547549389 in words is "fourteen billion, five hundred forty-seven million, five hundred forty-nine thousand, three hundred eighty-nine".