9429856247879 has 2 divisors, whose sum is σ = 9429856247880. Its totient is φ = 9429856247878.

The previous prime is 9429856247737. The next prime is 9429856247897. The reversal of 9429856247879 is 9787426589249.

Together with next prime (9429856247897) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9429856247879 is a prime.

It is a super-2 number, since 2×9429856247879² (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 (9429856247179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4714928123939 + 4714928123940.

It is an arithmetic number, because the mean of its divisors is an integer number (4714928123940).

Almost surely, 2^{9429856247879} is an apocalyptic number.

9429856247879 is a deficient number, since it is larger than the sum of its proper divisors (1).

9429856247879 is an equidigital number, since it uses as much as digits as its factorization.

9429856247879 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4389396480, while the sum is 80.

The spelling of 9429856247879 in words is "nine trillion, four hundred twenty-nine billion, eight hundred fifty-six million, two hundred forty-seven thousand, eight hundred seventy-nine".