14469447257 has 2 divisors, whose sum is σ = 14469447258. Its totient is φ = 14469447256.

The previous prime is 14469447221. The next prime is 14469447301. The reversal of 14469447257 is 75274496441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14123896336 + 345550921 = 118844^2 + 18589^2 .

It is a cyclic number.

It is not a de Polignac number, because 14469447257 - 2⁶ = 14469447193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14469447199 and 14469447208.

It is not a weakly prime, because it can be changed into another prime (14469497257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7234723628 + 7234723629.

It is an arithmetic number, because the mean of its divisors is an integer number (7234723629).

Almost surely, 2^14469447257 is an apocalyptic number.

It is an amenable number.

14469447257 is a deficient number, since it is larger than the sum of its proper divisors (1).

14469447257 is an equidigital number, since it uses as much as digits as its factorization.

14469447257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6773760, while the sum is 53.

The spelling of 14469447257 in words is "fourteen billion, four hundred sixty-nine million, four hundred forty-seven thousand, two hundred fifty-seven".