442105373 has 2 divisors, whose sum is σ = 442105374. Its totient is φ = 442105372.

The previous prime is 442105343. The next prime is 442105387. The reversal of 442105373 is 373501244.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 253510084 + 188595289 = 15922^2 + 13733^2 .

It is a cyclic number.

It is not a de Polignac number, because 442105373 - 2⁶ = 442105309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442105303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221052686 + 221052687.

It is an arithmetic number, because the mean of its divisors is an integer number (221052687).

Almost surely, 2^442105373 is an apocalyptic number.

It is an amenable number.

442105373 is a deficient number, since it is larger than the sum of its proper divisors (1).

442105373 is an equidigital number, since it uses as much as digits as its factorization.

442105373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 442105373 is about 21026.3019335308. The cubic root of 442105373 is about 761.8016886454.

The spelling of 442105373 in words is "four hundred forty-two million, one hundred five thousand, three hundred seventy-three".