427427064419 has 2 divisors, whose sum is σ = 427427064420. Its totient is φ = 427427064418.

The previous prime is 427427064403. The next prime is 427427064443. The reversal of 427427064419 is 914460724724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 427427064419 - 2⁴ = 427427064403 is a prime.

It is a super-2 number, since 2×427427064419² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (427427064479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213713532209 + 213713532210.

It is an arithmetic number, because the mean of its divisors is an integer number (213713532210).

Almost surely, 2^427427064419 is an apocalyptic number.

427427064419 is a deficient number, since it is larger than the sum of its proper divisors (1).

427427064419 is an equidigital number, since it uses as much as digits as its factorization.

427427064419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 427427064419 in words is "four hundred twenty-seven billion, four hundred twenty-seven million, sixty-four thousand, four hundred nineteen".