51734431347 has 16 divisors (see below), whose sum is σ = 69473269920. Its totient is φ = 34242953472.

The previous prime is 51734431319. The next prime is 51734431349. The reversal of 51734431347 is 74313443715.

51734431347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51734431347 - 2¹⁹ = 51733907059 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51734431299 and 51734431308.

It is not an unprimeable number, because it can be changed into a prime (51734431349) 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, 564513 + ... + 649725.

It is an arithmetic number, because the mean of its divisors is an integer number (4342079370).

Almost surely, 2^51734431347 is an apocalyptic number.

51734431347 is a deficient number, since it is larger than the sum of its proper divisors (17738838573).

51734431347 is a wasteful number, since it uses less digits than its factorization.

51734431347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86662.

The product of its digits is 423360, while the sum is 42.

The spelling of 51734431347 in words is "fifty-one billion, seven hundred thirty-four million, four hundred thirty-one thousand, three hundred forty-seven".