13463218379519 has 2 divisors, whose sum is σ = 13463218379520. Its totient is φ = 13463218379518.

The previous prime is 13463218379497. The next prime is 13463218379521. The reversal of 13463218379519 is 91597381236431.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13463218379519 - 2¹² = 13463218375423 is a prime.

It is a super-2 number, since 2×13463218379519² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 13463218379521, 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 (13433218379519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6731609189759 + 6731609189760.

It is an arithmetic number, because the mean of its divisors is an integer number (6731609189760).

Almost surely, 2^{13463218379519} is an apocalyptic number.

13463218379519 is a deficient number, since it is larger than the sum of its proper divisors (1).

13463218379519 is an equidigital number, since it uses as much as digits as its factorization.

13463218379519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 29393280, while the sum is 62.

The spelling of 13463218379519 in words is "thirteen trillion, four hundred sixty-three billion, two hundred eighteen million, three hundred seventy-nine thousand, five hundred nineteen".