42405544339 has 2 divisors, whose sum is σ = 42405544340. Its totient is φ = 42405544338.

The previous prime is 42405544333. The next prime is 42405544409. The reversal of 42405544339 is 93344550424.

42405544339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42405544339 - 2³ = 42405544331 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42405544295 and 42405544304.

It is not a weakly prime, because it can be changed into another prime (42405544331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21202772169 + 21202772170.

It is an arithmetic number, because the mean of its divisors is an integer number (21202772170).

Almost surely, 2^42405544339 is an apocalyptic number.

42405544339 is a deficient number, since it is larger than the sum of its proper divisors (1).

42405544339 is an equidigital number, since it uses as much as digits as its factorization.

42405544339 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1036800, while the sum is 43.

The spelling of 42405544339 in words is "forty-two billion, four hundred five million, five hundred forty-four thousand, three hundred thirty-nine".