13150430521 has 2 divisors, whose sum is σ = 13150430522. Its totient is φ = 13150430520.

The previous prime is 13150430497. The next prime is 13150430551. The reversal of 13150430521 is 12503405131.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6692058025 + 6458372496 = 81805^2 + 80364^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13150430521 is a prime.

It is not a weakly prime, because it can be changed into another prime (13150430551) 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, 6575215260 + 6575215261.

It is an arithmetic number, because the mean of its divisors is an integer number (6575215261).

Almost surely, 2^13150430521 is an apocalyptic number.

It is an amenable number.

13150430521 is a deficient number, since it is larger than the sum of its proper divisors (1).

13150430521 is an equidigital number, since it uses as much as digits as its factorization.

13150430521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

Adding to 13150430521 its reverse (12503405131), we get a palindrome (25653835652).

The spelling of 13150430521 in words is "thirteen billion, one hundred fifty million, four hundred thirty thousand, five hundred twenty-one".