9550005459971 has 2 divisors, whose sum is σ = 9550005459972. Its totient is φ = 9550005459970.

The previous prime is 9550005459949. The next prime is 9550005459997. The reversal of 9550005459971 is 1799545000559.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1799545000559) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9550005459971 is a prime.

It is a super-2 number, since 2×9550005459971² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9550005459971.

It is not a weakly prime, because it can be changed into another prime (9550005459271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4775002729985 + 4775002729986.

It is an arithmetic number, because the mean of its divisors is an integer number (4775002729986).

Almost surely, 2^{9550005459971} is an apocalyptic number.

9550005459971 is a deficient number, since it is larger than the sum of its proper divisors (1).

9550005459971 is an equidigital number, since it uses as much as digits as its factorization.

9550005459971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12757500, while the sum is 59.

The spelling of 9550005459971 in words is "nine trillion, five hundred fifty billion, five million, four hundred fifty-nine thousand, nine hundred seventy-one".