12454521433 has 2 divisors, whose sum is σ = 12454521434. Its totient is φ = 12454521432.

The previous prime is 12454521403. The next prime is 12454521481. The reversal of 12454521433 is 33412545421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12451658569 + 2862864 = 111587^2 + 1692^2 .

It is a cyclic number.

It is not a de Polignac number, because 12454521433 - 2¹³ = 12454513241 is a prime.

It is not a weakly prime, because it can be changed into another prime (12454521403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6227260716 + 6227260717.

It is an arithmetic number, because the mean of its divisors is an integer number (6227260717).

Almost surely, 2^12454521433 is an apocalyptic number.

It is an amenable number.

12454521433 is a deficient number, since it is larger than the sum of its proper divisors (1).

12454521433 is an equidigital number, since it uses as much as digits as its factorization.

12454521433 is an evil number, because the sum of its binary digits is even.

The product of its digits is 57600, while the sum is 34.

The spelling of 12454521433 in words is "twelve billion, four hundred fifty-four million, five hundred twenty-one thousand, four hundred thirty-three".