427033705073 has 2 divisors, whose sum is σ = 427033705074. Its totient is φ = 427033705072.

The previous prime is 427033705051. The next prime is 427033705279. The reversal of 427033705073 is 370507330724.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 382043901409 + 44989803664 = 618097^2 + 212108^2 .

It is a cyclic number.

It is not a de Polignac number, because 427033705073 - 2¹⁰ = 427033704049 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 427033705073.

It is not a weakly prime, because it can be changed into another prime (427033755073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213516852536 + 213516852537.

It is an arithmetic number, because the mean of its divisors is an integer number (213516852537).

Almost surely, 2^427033705073 is an apocalyptic number.

It is an amenable number.

427033705073 is a deficient number, since it is larger than the sum of its proper divisors (1).

427033705073 is an equidigital number, since it uses as much as digits as its factorization.

427033705073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 370440, while the sum is 41.

The spelling of 427033705073 in words is "four hundred twenty-seven billion, thirty-three million, seven hundred five thousand, seventy-three".