427143213719 has 2 divisors, whose sum is σ = 427143213720. Its totient is φ = 427143213718.

The previous prime is 427143213713. The next prime is 427143213727. The reversal of 427143213719 is 917312341724.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427143213719 is a prime.

It is a super-2 number, since 2×427143213719² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 427143213719.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427143213713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213571606859 + 213571606860.

It is an arithmetic number, because the mean of its divisors is an integer number (213571606860).

Almost surely, 2^427143213719 is an apocalyptic number.

427143213719 is a deficient number, since it is larger than the sum of its proper divisors (1).

427143213719 is an equidigital number, since it uses as much as digits as its factorization.

427143213719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 254016, while the sum is 44.

The spelling of 427143213719 in words is "four hundred twenty-seven billion, one hundred forty-three million, two hundred thirteen thousand, seven hundred nineteen".