954641868191 has 16 divisors (see below), whose sum is σ = 1043714004480. Its totient is φ = 865951613280.

The previous prime is 954641868181. The next prime is 954641868239. The reversal of 954641868191 is 191868146459.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-954641868191 is a prime.

It is a super-2 number, since 2×954641868191² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (954641868181) 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 in 15 ways as a sum of consecutive naturals, for example, 27793070 + ... + 27827396.

It is an arithmetic number, because the mean of its divisors is an integer number (65232125280).

Almost surely, 2^954641868191 is an apocalyptic number.

954641868191 is a deficient number, since it is larger than the sum of its proper divisors (89072136289).

954641868191 is a wasteful number, since it uses less digits than its factorization.

954641868191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39814.

The product of its digits is 14929920, while the sum is 62.

The spelling of 954641868191 in words is "nine hundred fifty-four billion, six hundred forty-one million, eight hundred sixty-eight thousand, one hundred ninety-one".