42688316347 has 2 divisors, whose sum is σ = 42688316348. Its totient is φ = 42688316346.

The previous prime is 42688316257. The next prime is 42688316381. The reversal of 42688316347 is 74361388624.

42688316347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42688316347 - 2⁷ = 42688316219 is a prime.

It is a super-3 number, since 3×42688316347³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42688316294 and 42688316303.

It is not a weakly prime, because it can be changed into another prime (42688316947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21344158173 + 21344158174.

It is an arithmetic number, because the mean of its divisors is an integer number (21344158174).

Almost surely, 2^42688316347 is an apocalyptic number.

42688316347 is a deficient number, since it is larger than the sum of its proper divisors (1).

42688316347 is an equidigital number, since it uses as much as digits as its factorization.

42688316347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4644864, while the sum is 52.

The spelling of 42688316347 in words is "forty-two billion, six hundred eighty-eight million, three hundred sixteen thousand, three hundred forty-seven".