442701643313 has 2 divisors, whose sum is σ = 442701643314. Its totient is φ = 442701643312.

The previous prime is 442701643277. The next prime is 442701643339. The reversal of 442701643313 is 313346107244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 316898065969 + 125803577344 = 562937^2 + 354688^2 .

It is a cyclic number.

It is not a de Polignac number, because 442701643313 - 2¹⁰ = 442701642289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (442701643343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221350821656 + 221350821657.

It is an arithmetic number, because the mean of its divisors is an integer number (221350821657).

Almost surely, 2^442701643313 is an apocalyptic number.

It is an amenable number.

442701643313 is a deficient number, since it is larger than the sum of its proper divisors (1).

442701643313 is an equidigital number, since it uses as much as digits as its factorization.

442701643313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 38.

The spelling of 442701643313 in words is "four hundred forty-two billion, seven hundred one million, six hundred forty-three thousand, three hundred thirteen".