13347719389 has 2 divisors, whose sum is σ = 13347719390. Its totient is φ = 13347719388.

The previous prime is 13347719381. The next prime is 13347719449. The reversal of 13347719389 is 98391774331.

13347719389 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13314852100 + 32867289 = 115390^2 + 5733^2 .

It is a cyclic number.

It is not a de Polignac number, because 13347719389 - 2³ = 13347719381 is a prime.

It is a super-2 number, since 2×13347719389² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13347719381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6673859694 + 6673859695.

It is an arithmetic number, because the mean of its divisors is an integer number (6673859695).

Almost surely, 2^13347719389 is an apocalyptic number.

It is an amenable number.

13347719389 is a deficient number, since it is larger than the sum of its proper divisors (1).

13347719389 is an equidigital number, since it uses as much as digits as its factorization.

13347719389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3429216, while the sum is 55.

It can be divided in two parts, 13347 and 719389, that added together give a square (732736 = 856²).

The spelling of 13347719389 in words is "thirteen billion, three hundred forty-seven million, seven hundred nineteen thousand, three hundred eighty-nine".