42321311339 has 2 divisors, whose sum is σ = 42321311340. Its totient is φ = 42321311338.

The previous prime is 42321311323. The next prime is 42321311393. The reversal of 42321311339 is 93311312324.

Together with next prime (42321311393) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42321311339 - 2⁴ = 42321311323 is a prime.

It is not a weakly prime, because it can be changed into another prime (42321311839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21160655669 + 21160655670.

It is an arithmetic number, because the mean of its divisors is an integer number (21160655670).

Almost surely, 2^42321311339 is an apocalyptic number.

42321311339 is a deficient number, since it is larger than the sum of its proper divisors (1).

42321311339 is an equidigital number, since it uses as much as digits as its factorization.

42321311339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 32.

The spelling of 42321311339 in words is "forty-two billion, three hundred twenty-one million, three hundred eleven thousand, three hundred thirty-nine".