9349742479439 has 2 divisors, whose sum is σ = 9349742479440. Its totient is φ = 9349742479438.

The previous prime is 9349742479423. The next prime is 9349742479513.

9349742479439 is nontrivially palindromic in base 10.

It is an a-pointer prime, because the next prime (9349742479513) can be obtained adding 9349742479439 to its sum of digits (74).

It is a weak prime.

It is a palprime.

It is a cyclic number.

It is not a de Polignac number, because 9349742479439 - 2⁴ = 9349742479423 is a prime.

It is a super-2 number, since 2×9349742479439² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9349742479039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4674871239719 + 4674871239720.

It is an arithmetic number, because the mean of its divisors is an integer number (4674871239720).

Almost surely, 2^{9349742479439} is an apocalyptic number.

9349742479439 is a deficient number, since it is larger than the sum of its proper divisors (1).

9349742479439 is an equidigital number, since it uses as much as digits as its factorization.

9349742479439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1481421312, while the sum is 74.

The spelling of 9349742479439 in words is "nine trillion, three hundred forty-nine billion, seven hundred forty-two million, four hundred seventy-nine thousand, four hundred thirty-nine".