6220381439 has 2 divisors, whose sum is σ = 6220381440. Its totient is φ = 6220381438.

The previous prime is 6220381421. The next prime is 6220381451. The reversal of 6220381439 is 9341830226.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6220381439 - 2¹² = 6220377343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6220381339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3110190719 + 3110190720.

It is an arithmetic number, because the mean of its divisors is an integer number (3110190720).

Almost surely, 2^6220381439 is an apocalyptic number.

6220381439 is a deficient number, since it is larger than the sum of its proper divisors (1).

6220381439 is an equidigital number, since it uses as much as digits as its factorization.

6220381439 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 6220381439 is about 78869.3948182690. The cubic root of 6220381439 is about 1839.1013884600.

The spelling of 6220381439 in words is "six billion, two hundred twenty million, three hundred eighty-one thousand, four hundred thirty-nine".