51344759198 has 16 divisors (see below), whose sum is σ = 77448038976. Its totient is φ = 25529127840.

The previous prime is 51344759189. The next prime is 51344759209. The reversal of 51344759198 is 89195744315.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175115 + ... + 365177.

It is an arithmetic number, because the mean of its divisors is an integer number (4840502436).

Almost surely, 2^51344759198 is an apocalyptic number.

51344759198 is a deficient number, since it is larger than the sum of its proper divisors (26103279778).

51344759198 is a wasteful number, since it uses less digits than its factorization.

51344759198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190819.

The product of its digits is 5443200, while the sum is 56.

The spelling of 51344759198 in words is "fifty-one billion, three hundred forty-four million, seven hundred fifty-nine thousand, one hundred ninety-eight".