13531926479 has 2 divisors, whose sum is σ = 13531926480. Its totient is φ = 13531926478.

The previous prime is 13531926469. The next prime is 13531926493. The reversal of 13531926479 is 97462913531.

It is a weak prime.

It is an emirp because it is prime and its reverse (97462913531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13531926479 - 2⁸ = 13531926223 is a prime.

It is a super-2 number, since 2×13531926479² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13531926469) 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, 6765963239 + 6765963240.

It is an arithmetic number, because the mean of its divisors is an integer number (6765963240).

Almost surely, 2^13531926479 is an apocalyptic number.

13531926479 is a deficient number, since it is larger than the sum of its proper divisors (1).

13531926479 is an equidigital number, since it uses as much as digits as its factorization.

13531926479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1224720, while the sum is 50.

The spelling of 13531926479 in words is "thirteen billion, five hundred thirty-one million, nine hundred twenty-six thousand, four hundred seventy-nine".