51330784043 has 16 divisors (see below), whose sum is σ = 65045955840. Its totient is φ = 39342304800.

The previous prime is 51330784007. The next prime is 51330784061. The reversal of 51330784043 is 34048703315.

It is a cyclic number.

It is not a de Polignac number, because 51330784043 - 2⁸ = 51330783787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51330783988 and 51330784006.

It is not an unprimeable number, because it can be changed into a prime (51330184043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5459513 + ... + 5468906.

It is an arithmetic number, because the mean of its divisors is an integer number (4065372240).

Almost surely, 2^51330784043 is an apocalyptic number.

51330784043 is a deficient number, since it is larger than the sum of its proper divisors (13715171797).

51330784043 is a wasteful number, since it uses less digits than its factorization.

51330784043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10928498.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 51330784043 in words is "fifty-one billion, three hundred thirty million, seven hundred eighty-four thousand, forty-three".