13846517479 has 2 divisors, whose sum is σ = 13846517480. Its totient is φ = 13846517478.

The previous prime is 13846517473. The next prime is 13846517497. The reversal of 13846517479 is 97471564831.

Together with next prime (13846517497) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is an emirp because it is prime and its reverse (97471564831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13846517479 - 2³ = 13846517471 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13846517471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6923258739 + 6923258740.

It is an arithmetic number, because the mean of its divisors is an integer number (6923258740).

Almost surely, 2^13846517479 is an apocalyptic number.

13846517479 is a deficient number, since it is larger than the sum of its proper divisors (1).

13846517479 is an equidigital number, since it uses as much as digits as its factorization.

13846517479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5080320, while the sum is 55.

The spelling of 13846517479 in words is "thirteen billion, eight hundred forty-six million, five hundred seventeen thousand, four hundred seventy-nine".