51419139594 has 16 divisors (see below), whose sum is σ = 103168952640. Its totient is φ = 17084600960.

The previous prime is 51419139581. The next prime is 51419139599. The reversal of 51419139594 is 49593191415.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (51419139599) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13776039 + ... + 13779770.

It is an arithmetic number, because the mean of its divisors is an integer number (6448059540).

Almost surely, 2^51419139594 is an apocalyptic number.

51419139594 is an abundant number, since it is smaller than the sum of its proper divisors (51749813046).

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

51419139594 is a wasteful number, since it uses less digits than its factorization.

51419139594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27556125.

The product of its digits is 874800, while the sum is 51.

The spelling of 51419139594 in words is "fifty-one billion, four hundred nineteen million, one hundred thirty-nine thousand, five hundred ninety-four".