427192418417 has 2 divisors, whose sum is σ = 427192418418. Its totient is φ = 427192418416.

The previous prime is 427192418371. The next prime is 427192418467. The reversal of 427192418417 is 714814291724.

It is a happy number.

It is an a-pointer prime, because the next prime (427192418467) can be obtained adding 427192418417 to its sum of digits (50).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 376641191521 + 50551226896 = 613711^2 + 224836^2 .

It is a cyclic number.

It is not a de Polignac number, because 427192418417 - 2¹² = 427192414321 is a prime.

It is not a weakly prime, because it can be changed into another prime (427192418467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213596209208 + 213596209209.

It is an arithmetic number, because the mean of its divisors is an integer number (213596209209).

Almost surely, 2^427192418417 is an apocalyptic number.

It is an amenable number.

427192418417 is a deficient number, since it is larger than the sum of its proper divisors (1).

427192418417 is an equidigital number, since it uses as much as digits as its factorization.

427192418417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 903168, while the sum is 50.

The spelling of 427192418417 in words is "four hundred twenty-seven billion, one hundred ninety-two million, four hundred eighteen thousand, four hundred seventeen".