42739312327 has 2 divisors, whose sum is σ = 42739312328. Its totient is φ = 42739312326.

The previous prime is 42739312289. The next prime is 42739312331. The reversal of 42739312327 is 72321393724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42739312327 - 2¹¹ = 42739310279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42739313327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21369656163 + 21369656164.

It is an arithmetic number, because the mean of its divisors is an integer number (21369656164).

Almost surely, 2^42739312327 is an apocalyptic number.

42739312327 is a deficient number, since it is larger than the sum of its proper divisors (1).

42739312327 is an equidigital number, since it uses as much as digits as its factorization.

42739312327 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 381024, while the sum is 43.

The spelling of 42739312327 in words is "forty-two billion, seven hundred thirty-nine million, three hundred twelve thousand, three hundred twenty-seven".