51389546198 has 16 divisors (see below), whose sum is σ = 79258050384. Its totient is φ = 24971781600.

The previous prime is 51389546189. The next prime is 51389546213. The reversal of 51389546198 is 89164598315.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 331028 + ... + 460823.

It is an arithmetic number, because the mean of its divisors is an integer number (4953628149).

Almost surely, 2^51389546198 is an apocalyptic number.

51389546198 is a deficient number, since it is larger than the sum of its proper divisors (27868504186).

51389546198 is a wasteful number, since it uses less digits than its factorization.

51389546198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792767.

The product of its digits is 9331200, while the sum is 59.

The spelling of 51389546198 in words is "fifty-one billion, three hundred eighty-nine million, five hundred forty-six thousand, one hundred ninety-eight".