14453405521 has 2 divisors, whose sum is σ = 14453405522. Its totient is φ = 14453405520.

The previous prime is 14453405513. The next prime is 14453405537. The reversal of 14453405521 is 12550435441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13595560000 + 857845521 = 116600^2 + 29289^2 .

It is a cyclic number.

It is not a de Polignac number, because 14453405521 - 2³ = 14453405513 is a prime.

It is not a weakly prime, because it can be changed into another prime (14453405591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7226702760 + 7226702761.

It is an arithmetic number, because the mean of its divisors is an integer number (7226702761).

Almost surely, 2^14453405521 is an apocalyptic number.

It is an amenable number.

14453405521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14453405521 is an equidigital number, since it uses as much as digits as its factorization.

14453405521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48000, while the sum is 34.

The spelling of 14453405521 in words is "fourteen billion, four hundred fifty-three million, four hundred five thousand, five hundred twenty-one".