13154521433 has 2 divisors, whose sum is σ = 13154521434. Its totient is φ = 13154521432.

The previous prime is 13154521417. The next prime is 13154521451. The reversal of 13154521433 is 33412545131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8980973824 + 4173547609 = 94768^2 + 64603^2 .

It is a cyclic number.

It is not a de Polignac number, because 13154521433 - 2⁴ = 13154521417 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13154521433.

It is not a weakly prime, because it can be changed into another prime (13154521453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6577260716 + 6577260717.

It is an arithmetic number, because the mean of its divisors is an integer number (6577260717).

Almost surely, 2^13154521433 is an apocalyptic number.

It is an amenable number.

13154521433 is a deficient number, since it is larger than the sum of its proper divisors (1).

13154521433 is an equidigital number, since it uses as much as digits as its factorization.

13154521433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 32.

The spelling of 13154521433 in words is "thirteen billion, one hundred fifty-four million, five hundred twenty-one thousand, four hundred thirty-three".