14894986489 has 2 divisors, whose sum is σ = 14894986490. Its totient is φ = 14894986488.

The previous prime is 14894986487. The next prime is 14894986549. The reversal of 14894986489 is 98468949841.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14621646400 + 273340089 = 120920^2 + 16533^2 .

It is a cyclic number.

It is not a de Polignac number, because 14894986489 - 2¹ = 14894986487 is a prime.

Together with 14894986487, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (14894986487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7447493244 + 7447493245.

It is an arithmetic number, because the mean of its divisors is an integer number (7447493245).

Almost surely, 2^14894986489 is an apocalyptic number.

It is an amenable number.

14894986489 is a deficient number, since it is larger than the sum of its proper divisors (1).

14894986489 is an equidigital number, since it uses as much as digits as its factorization.

14894986489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 143327232, while the sum is 70.

The spelling of 14894986489 in words is "fourteen billion, eight hundred ninety-four million, nine hundred eighty-six thousand, four hundred eighty-nine".