9545545459979 has 2 divisors, whose sum is σ = 9545545459980. Its totient is φ = 9545545459978.

The previous prime is 9545545459937. The next prime is 9545545459999. The reversal of 9545545459979 is 9799545455459.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9545545459979 - 2²⁸ = 9545277024523 is a prime.

It is a super-2 number, since 2×9545545459979² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9545545459999) 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, 4772772729989 + 4772772729990.

It is an arithmetic number, because the mean of its divisors is an integer number (4772772729990).

Almost surely, 2^{9545545459979} is an apocalyptic number.

9545545459979 is a deficient number, since it is larger than the sum of its proper divisors (1).

9545545459979 is an equidigital number, since it uses as much as digits as its factorization.

9545545459979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9185400000, while the sum is 80.

The spelling of 9545545459979 in words is "nine trillion, five hundred forty-five billion, five hundred forty-five million, four hundred fifty-nine thousand, nine hundred seventy-nine".