13447922479 has 2 divisors, whose sum is σ = 13447922480. Its totient is φ = 13447922478.

The previous prime is 13447922443. The next prime is 13447922491. The reversal of 13447922479 is 97422974431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13447922479 - 2⁷ = 13447922351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13447923479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6723961239 + 6723961240.

It is an arithmetic number, because the mean of its divisors is an integer number (6723961240).

Almost surely, 2^13447922479 is an apocalyptic number.

13447922479 is a deficient number, since it is larger than the sum of its proper divisors (1).

13447922479 is an equidigital number, since it uses as much as digits as its factorization.

13447922479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 52.

The spelling of 13447922479 in words is "thirteen billion, four hundred forty-seven million, nine hundred twenty-two thousand, four hundred seventy-nine".