3889339536443 has 2 divisors, whose sum is σ = 3889339536444. Its totient is φ = 3889339536442.

The previous prime is 3889339536431. The next prime is 3889339536497. The reversal of 3889339536443 is 3446359339883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3889339536443 - 2⁴ = 3889339536427 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (3889339536343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1944669768221 + 1944669768222.

It is an arithmetic number, because the mean of its divisors is an integer number (1944669768222).

Almost surely, 2^{3889339536443} is an apocalyptic number.

3889339536443 is a deficient number, since it is larger than the sum of its proper divisors (1).

3889339536443 is an equidigital number, since it uses as much as digits as its factorization.

3889339536443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 604661760, while the sum is 68.

The spelling of 3889339536443 in words is "three trillion, eight hundred eighty-nine billion, three hundred thirty-nine million, five hundred thirty-six thousand, four hundred forty-three".