954459609991 has 2 divisors, whose sum is σ = 954459609992. Its totient is φ = 954459609990.

The previous prime is 954459609989. The next prime is 954459610001. The reversal of 954459609991 is 199906954459.

It is a weak prime.

It is an emirp because it is prime and its reverse (199906954459) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 954459609991 - 2¹ = 954459609989 is a prime.

Together with 954459609989, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 954459609991.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (954459604991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 477229804995 + 477229804996.

It is an arithmetic number, because the mean of its divisors is an integer number (477229804996).

Almost surely, 2^954459609991 is an apocalyptic number.

954459609991 is a deficient number, since it is larger than the sum of its proper divisors (1).

954459609991 is an equidigital number, since it uses as much as digits as its factorization.

954459609991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141717600, while the sum is 70.

The spelling of 954459609991 in words is "nine hundred fifty-four billion, four hundred fifty-nine million, six hundred nine thousand, nine hundred ninety-one".