427317108161 has 4 divisors (see below), whose sum is σ = 427324219392. Its totient is φ = 427309996932.

The previous prime is 427317108151. The next prime is 427317108199. The reversal of 427317108161 is 161801713724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 427317108161 - 2¹⁴ = 427317091777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427317108151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3464705 + ... + 3585918.

It is an arithmetic number, because the mean of its divisors is an integer number (106831054848).

Almost surely, 2^427317108161 is an apocalyptic number.

It is an amenable number.

427317108161 is a deficient number, since it is larger than the sum of its proper divisors (7111231).

427317108161 is an equidigital number, since it uses as much as digits as its factorization.

427317108161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7111230.

The product of its (nonzero) digits is 56448, while the sum is 41.

The spelling of 427317108161 in words is "four hundred twenty-seven billion, three hundred seventeen million, one hundred eight thousand, one hundred sixty-one".