442332769139 has 2 divisors, whose sum is σ = 442332769140. Its totient is φ = 442332769138.

The previous prime is 442332769097. The next prime is 442332769157. The reversal of 442332769139 is 931967233244.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 442332769139 - 2⁸ = 442332768883 is a prime.

It is not a weakly prime, because it can be changed into another prime (442332762139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221166384569 + 221166384570.

It is an arithmetic number, because the mean of its divisors is an integer number (221166384570).

Almost surely, 2^442332769139 is an apocalyptic number.

442332769139 is a deficient number, since it is larger than the sum of its proper divisors (1).

442332769139 is an equidigital number, since it uses as much as digits as its factorization.

442332769139 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 53.

The spelling of 442332769139 in words is "four hundred forty-two billion, three hundred thirty-two million, seven hundred sixty-nine thousand, one hundred thirty-nine".