14499478771 has 2 divisors, whose sum is σ = 14499478772. Its totient is φ = 14499478770.

The previous prime is 14499478757. The next prime is 14499478787. The reversal of 14499478771 is 17787499441.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14499478771 is a prime.

It is not a weakly prime, because it can be changed into another prime (14499478471) 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, 7249739385 + 7249739386.

It is an arithmetic number, because the mean of its divisors is an integer number (7249739386).

Almost surely, 2^14499478771 is an apocalyptic number.

14499478771 is a deficient number, since it is larger than the sum of its proper divisors (1).

14499478771 is an equidigital number, since it uses as much as digits as its factorization.

14499478771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14224896, while the sum is 61.

The spelling of 14499478771 in words is "fourteen billion, four hundred ninety-nine million, four hundred seventy-eight thousand, seven hundred seventy-one".