15718797299479 has 2 divisors, whose sum is σ = 15718797299480. Its totient is φ = 15718797299478.

The previous prime is 15718797299383. The next prime is 15718797299483. The reversal of 15718797299479 is 97499279781751.

It is a strong prime.

It is an emirp because it is prime and its reverse (97499279781751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 15718797299479 - 2¹⁷ = 15718797168407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15718797299396 and 15718797299405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (15718797299279) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7859398649739 + 7859398649740.

It is an arithmetic number, because the mean of its divisors is an integer number (7859398649740).

Almost surely, 2^{15718797299479} is an apocalyptic number.

15718797299479 is a deficient number, since it is larger than the sum of its proper divisors (1).

15718797299479 is an equidigital number, since it uses as much as digits as its factorization.

15718797299479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5040947520, while the sum is 85.

The spelling of 15718797299479 in words is "fifteen trillion, seven hundred eighteen billion, seven hundred ninety-seven million, two hundred ninety-nine thousand, four hundred seventy-nine".