427739590219 has 2 divisors, whose sum is σ = 427739590220. Its totient is φ = 427739590218.

The previous prime is 427739590177. The next prime is 427739590259. The reversal of 427739590219 is 912095937724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427739590219 - 2⁹ = 427739589707 is a prime.

It is a super-2 number, since 2×427739590219² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (427739590259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213869795109 + 213869795110.

It is an arithmetic number, because the mean of its divisors is an integer number (213869795110).

Almost surely, 2^427739590219 is an apocalyptic number.

427739590219 is a deficient number, since it is larger than the sum of its proper divisors (1).

427739590219 is an equidigital number, since it uses as much as digits as its factorization.

427739590219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8573040, while the sum is 58.

The spelling of 427739590219 in words is "four hundred twenty-seven billion, seven hundred thirty-nine million, five hundred ninety thousand, two hundred nineteen".