13148170421 has 2 divisors, whose sum is σ = 13148170422. Its totient is φ = 13148170420.

The previous prime is 13148170367. The next prime is 13148170457. The reversal of 13148170421 is 12407184131.

13148170421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13038214225 + 109956196 = 114185^2 + 10486^2 .

It is a cyclic number.

It is not a de Polignac number, because 13148170421 - 2²⁶ = 13081061557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13148170921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6574085210 + 6574085211.

It is an arithmetic number, because the mean of its divisors is an integer number (6574085211).

Almost surely, 2^13148170421 is an apocalyptic number.

It is an amenable number.

13148170421 is a deficient number, since it is larger than the sum of its proper divisors (1).

13148170421 is an equidigital number, since it uses as much as digits as its factorization.

13148170421 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5376, while the sum is 32.

The spelling of 13148170421 in words is "thirteen billion, one hundred forty-eight million, one hundred seventy thousand, four hundred twenty-one".