13856151479 has 2 divisors, whose sum is σ = 13856151480. Its totient is φ = 13856151478.

The previous prime is 13856151457. The next prime is 13856151481. The reversal of 13856151479 is 97415165831.

It is a strong prime.

It is an emirp because it is prime and its reverse (97415165831) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13856151479 is a prime.

Together with 13856151481, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13856151409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6928075739 + 6928075740.

It is an arithmetic number, because the mean of its divisors is an integer number (6928075740).

Almost surely, 2^13856151479 is an apocalyptic number.

13856151479 is a deficient number, since it is larger than the sum of its proper divisors (1).

13856151479 is an equidigital number, since it uses as much as digits as its factorization.

13856151479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 50.

The spelling of 13856151479 in words is "thirteen billion, eight hundred fifty-six million, one hundred fifty-one thousand, four hundred seventy-nine".