51743384916 has 96 divisors (see below), whose sum is σ = 124777497600. Its totient is φ = 16680948480.

The previous prime is 51743384897. The next prime is 51743384921. The reversal of 51743384916 is 61948334715.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25375825 + ... + 25377863.

It is an arithmetic number, because the mean of its divisors is an integer number (1299765600).

Almost surely, 2^51743384916 is an apocalyptic number.

It is an amenable number.

51743384916 is an abundant number, since it is smaller than the sum of its proper divisors (73034112684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51743384916 is a wasteful number, since it uses less digits than its factorization.

51743384916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2669 (or 2667 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 51.

The spelling of 51743384916 in words is "fifty-one billion, seven hundred forty-three million, three hundred eighty-four thousand, nine hundred sixteen".