13195926481 has 4 divisors (see below), whose sum is σ = 13196163492. Its totient is φ = 13195689472.

The previous prime is 13195926479. The next prime is 13195926529. The reversal of 13195926481 is 18462959131.

It is a happy number.

13195926481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6408803025 + 6787123456 = 80055^2 + 82384^2 .

It is a cyclic number.

It is not a de Polignac number, because 13195926481 - 2¹ = 13195926479 is a prime.

It is a super-2 number, since 2×13195926481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13195926421) 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 in 3 ways as a sum of consecutive naturals, for example, 15585 + ... + 163201.

It is an arithmetic number, because the mean of its divisors is an integer number (3299040873).

Almost surely, 2^13195926481 is an apocalyptic number.

It is an amenable number.

13195926481 is a deficient number, since it is larger than the sum of its proper divisors (237011).

13195926481 is an equidigital number, since it uses as much as digits as its factorization.

13195926481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237010.

The product of its digits is 466560, while the sum is 49.

The spelling of 13195926481 in words is "thirteen billion, one hundred ninety-five million, nine hundred twenty-six thousand, four hundred eighty-one".