39639482625443 has 2 divisors, whose sum is σ = 39639482625444. Its totient is φ = 39639482625442.

The previous prime is 39639482625371. The next prime is 39639482625749. The reversal of 39639482625443 is 34452628493693.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 39639482625443 - 2¹⁰ = 39639482624419 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (39639482645443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19819741312721 + 19819741312722.

It is an arithmetic number, because the mean of its divisors is an integer number (19819741312722).

Almost surely, 2^{39639482625443} is an apocalyptic number.

39639482625443 is a deficient number, since it is larger than the sum of its proper divisors (1).

39639482625443 is an equidigital number, since it uses as much as digits as its factorization.

39639482625443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 806215680, while the sum is 68.

The spelling of 39639482625443 in words is "thirty-nine trillion, six hundred thirty-nine billion, four hundred eighty-two million, six hundred twenty-five thousand, four hundred forty-three".