4311443420387 has 2 divisors, whose sum is σ = 4311443420388. Its totient is φ = 4311443420386.

The previous prime is 4311443420377. The next prime is 4311443420443. The reversal of 4311443420387 is 7830243441134.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 4311443420387 - 2³⁶ = 4242723943651 is a prime.

It is not a weakly prime, because it can be changed into another prime (4311443420377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2155721710193 + 2155721710194.

It is an arithmetic number, because the mean of its divisors is an integer number (2155721710194).

Almost surely, 2^{4311443420387} is an apocalyptic number.

4311443420387 is a deficient number, since it is larger than the sum of its proper divisors (1).

4311443420387 is an equidigital number, since it uses as much as digits as its factorization.

4311443420387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 44.

The spelling of 4311443420387 in words is "four trillion, three hundred eleven billion, four hundred forty-three million, four hundred twenty thousand, three hundred eighty-seven".