51845846194 has 32 divisors (see below), whose sum is σ = 79956898560. Its totient is φ = 25198387200.

The previous prime is 51845846177. The next prime is 51845846251. The reversal of 51845846194 is 49164854815.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39788947 + ... + 39790249.

It is an arithmetic number, because the mean of its divisors is an integer number (2498653080).

Almost surely, 2^51845846194 is an apocalyptic number.

51845846194 is a deficient number, since it is larger than the sum of its proper divisors (28111052366).

51845846194 is a wasteful number, since it uses less digits than its factorization.

51845846194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2746.

The product of its digits is 5529600, while the sum is 55.

The spelling of 51845846194 in words is "fifty-one billion, eight hundred forty-five million, eight hundred forty-six thousand, one hundred ninety-four".