6444260060039 has 2 divisors, whose sum is σ = 6444260060040. Its totient is φ = 6444260060038.

The previous prime is 6444260060003. The next prime is 6444260060083. The reversal of 6444260060039 is 9300600624446.

It is an a-pointer prime, because the next prime (6444260060083) can be obtained adding 6444260060039 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6444260060039 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6444260060239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3222130030019 + 3222130030020.

It is an arithmetic number, because the mean of its divisors is an integer number (3222130030020).

Almost surely, 2^{6444260060039} is an apocalyptic number.

6444260060039 is a deficient number, since it is larger than the sum of its proper divisors (1).

6444260060039 is an equidigital number, since it uses as much as digits as its factorization.

6444260060039 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 44.

The spelling of 6444260060039 in words is "six trillion, four hundred forty-four billion, two hundred sixty million, sixty thousand, thirty-nine".