442807107064529 has 2 divisors, whose sum is σ = 442807107064530. Its totient is φ = 442807107064528.

The previous prime is 442807107064523. The next prime is 442807107064577. The reversal of 442807107064529 is 925460701708244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 433073705438929 + 9733401625600 = 20810423^2 + 3119840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-442807107064529 is a prime.

It is not a weakly prime, because it can be changed into another prime (442807107064523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 221403553532264 + 221403553532265.

It is an arithmetic number, because the mean of its divisors is an integer number (221403553532265).

Almost surely, 2^{442807107064529} is an apocalyptic number.

It is an amenable number.

442807107064529 is a deficient number, since it is larger than the sum of its proper divisors (1).

442807107064529 is an equidigital number, since it uses as much as digits as its factorization.

442807107064529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27095040, while the sum is 59.

The spelling of 442807107064529 in words is "four hundred forty-two trillion, eight hundred seven billion, one hundred seven million, sixty-four thousand, five hundred twenty-nine".