442134067697093 has 2 divisors, whose sum is σ = 442134067697094. Its totient is φ = 442134067697092.

The previous prime is 442134067697087. The next prime is 442134067697117. The reversal of 442134067697093 is 390796760431244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 442125603329089 + 8464368004 = 21026783^2 + 92002^2 .

It is a cyclic number.

It is not a de Polignac number, because 442134067697093 - 2⁸ = 442134067696837 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (442134067697053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221067033848546 + 221067033848547.

It is an arithmetic number, because the mean of its divisors is an integer number (221067033848547).

Almost surely, 2^{442134067697093} is an apocalyptic number.

It is an amenable number.

442134067697093 is a deficient number, since it is larger than the sum of its proper divisors (1).

442134067697093 is an equidigital number, since it uses as much as digits as its factorization.

442134067697093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 164602368, while the sum is 65.

The spelling of 442134067697093 in words is "four hundred forty-two trillion, one hundred thirty-four billion, sixty-seven million, six hundred ninety-seven thousand, ninety-three".