845086191954 has 8 divisors (see below), whose sum is σ = 1690172383920. Its totient is φ = 281695397316.

The previous prime is 845086191949. The next prime is 845086192001. The reversal of 845086191954 is 459191680548.

It is a sphenic number, since it is the product of 3 distinct primes.

845086191954 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70423849324 + ... + 70423849335.

It is an arithmetic number, because the mean of its divisors is an integer number (211271547990).

Almost surely, 2^845086191954 is an apocalyptic number.

845086191954 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845086191954 is a wasteful number, since it uses less digits than its factorization.

845086191954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140847698664.

The product of its (nonzero) digits is 12441600, while the sum is 60.

The spelling of 845086191954 in words is "eight hundred forty-five billion, eighty-six million, one hundred ninety-one thousand, nine hundred fifty-four".