442147388311 has 2 divisors, whose sum is σ = 442147388312. Its totient is φ = 442147388310.

The previous prime is 442147388303. The next prime is 442147388321. The reversal of 442147388311 is 113883741244.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 442147388311 - 2³ = 442147388303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442147388321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221073694155 + 221073694156.

It is an arithmetic number, because the mean of its divisors is an integer number (221073694156).

Almost surely, 2^442147388311 is an apocalyptic number.

442147388311 is a deficient number, since it is larger than the sum of its proper divisors (1).

442147388311 is an equidigital number, since it uses as much as digits as its factorization.

442147388311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 516096, while the sum is 46.

The spelling of 442147388311 in words is "four hundred forty-two billion, one hundred forty-seven million, three hundred eighty-eight thousand, three hundred eleven".