427771941439 has 2 divisors, whose sum is σ = 427771941440. Its totient is φ = 427771941438.

The previous prime is 427771941367. The next prime is 427771941461. The reversal of 427771941439 is 934149177724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 427771941439 - 2⁹ = 427771940927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427771941739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213885970719 + 213885970720.

It is an arithmetic number, because the mean of its divisors is an integer number (213885970720).

Almost surely, 2^427771941439 is an apocalyptic number.

427771941439 is a deficient number, since it is larger than the sum of its proper divisors (1).

427771941439 is an equidigital number, since it uses as much as digits as its factorization.

427771941439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10668672, while the sum is 58.

The spelling of 427771941439 in words is "four hundred twenty-seven billion, seven hundred seventy-one million, nine hundred forty-one thousand, four hundred thirty-nine".