442272437741 has 2 divisors, whose sum is σ = 442272437742. Its totient is φ = 442272437740.

The previous prime is 442272437681. The next prime is 442272437743. The reversal of 442272437741 is 147734272244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 393969628900 + 48302808841 = 627670^2 + 219779^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442272437741 is a prime.

Together with 442272437743, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442272437743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221136218870 + 221136218871.

It is an arithmetic number, because the mean of its divisors is an integer number (221136218871).

Almost surely, 2^442272437741 is an apocalyptic number.

It is an amenable number.

442272437741 is a deficient number, since it is larger than the sum of its proper divisors (1).

442272437741 is an equidigital number, since it uses as much as digits as its factorization.

442272437741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2107392, while the sum is 47.

The spelling of 442272437741 in words is "four hundred forty-two billion, two hundred seventy-two million, four hundred thirty-seven thousand, seven hundred forty-one".