51684358514 has 8 divisors (see below), whose sum is σ = 77566280448. Its totient is φ = 25828931700.

The previous prime is 51684358499. The next prime is 51684358547. The reversal of 51684358514 is 41585348615.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6618902 + ... + 6626705.

It is an arithmetic number, because the mean of its divisors is an integer number (9695785056).

Almost surely, 2^51684358514 is an apocalyptic number.

51684358514 is a deficient number, since it is larger than the sum of its proper divisors (25881921934).

51684358514 is a wasteful number, since it uses less digits than its factorization.

51684358514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13247560.

The product of its digits is 2304000, while the sum is 50.

The spelling of 51684358514 in words is "fifty-one billion, six hundred eighty-four million, three hundred fifty-eight thousand, five hundred fourteen".