51310346486 has 16 divisors (see below), whose sum is σ = 87965629440. Its totient is φ = 21988889640.

The previous prime is 51310346443. The next prime is 51310346491. The reversal of 51310346486 is 68464301315.

It is a Curzon 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, 173945 + ... + 364523.

It is an arithmetic number, because the mean of its divisors is an integer number (5497851840).

Almost surely, 2^51310346486 is an apocalyptic number.

51310346486 is a deficient number, since it is larger than the sum of its proper divisors (36655282954).

51310346486 is a wasteful number, since it uses less digits than its factorization.

51310346486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209819.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 51310346486 in words is "fifty-one billion, three hundred ten million, three hundred forty-six thousand, four hundred eighty-six".