51898246846 has 12 divisors (see below), whose sum is σ = 79507081008. Its totient is φ = 25395933552.

The previous prime is 51898246823. The next prime is 51898246847. The reversal of 51898246846 is 64864289815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51898246847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2196970 + ... + 2220466.

It is an arithmetic number, because the mean of its divisors is an integer number (6625590084).

Almost surely, 2^51898246846 is an apocalyptic number.

51898246846 is a deficient number, since it is larger than the sum of its proper divisors (27608834162).

51898246846 is an frugal number, since it uses more digits than its factorization.

51898246846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47043 (or 23546 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 61.

The spelling of 51898246846 in words is "fifty-one billion, eight hundred ninety-eight million, two hundred forty-six thousand, eight hundred forty-six".