6381979482533 has 2 divisors, whose sum is σ = 6381979482534. Its totient is φ = 6381979482532.

The previous prime is 6381979482521. The next prime is 6381979482577. The reversal of 6381979482533 is 3352849791836.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6381802645729 + 176836804 = 2526223^2 + 13298^2 .

It is a cyclic number.

It is not a de Polignac number, because 6381979482533 - 2¹⁸ = 6381979220389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6381979482433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3190989741266 + 3190989741267.

It is an arithmetic number, because the mean of its divisors is an integer number (3190989741267).

Almost surely, 2^{6381979482533} is an apocalyptic number.

It is an amenable number.

6381979482533 is a deficient number, since it is larger than the sum of its proper divisors (1).

6381979482533 is an equidigital number, since it uses as much as digits as its factorization.

6381979482533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 235146240, while the sum is 68.

The spelling of 6381979482533 in words is "six trillion, three hundred eighty-one billion, nine hundred seventy-nine million, four hundred eighty-two thousand, five hundred thirty-three".