442495853 has 2 divisors, whose sum is σ = 442495854. Its totient is φ = 442495852.

The previous prime is 442495849. The next prime is 442495871. The reversal of 442495853 is 358594244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 318908164 + 123587689 = 17858^2 + 11117^2 .

It is a cyclic number.

It is not a de Polignac number, because 442495853 - 2² = 442495849 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442495453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221247926 + 221247927.

It is an arithmetic number, because the mean of its divisors is an integer number (221247927).

Almost surely, 2^442495853 is an apocalyptic number.

It is an amenable number.

442495853 is a deficient number, since it is larger than the sum of its proper divisors (1).

442495853 is an equidigital number, since it uses as much as digits as its factorization.

442495853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 691200, while the sum is 44.

The square root of 442495853 is about 21035.5853971312. The cubic root of 442495853 is about 762.0259042638.

The spelling of 442495853 in words is "four hundred forty-two million, four hundred ninety-five thousand, eight hundred fifty-three".