1438620234347 has 2 divisors, whose sum is σ = 1438620234348. Its totient is φ = 1438620234346.

The previous prime is 1438620234319. The next prime is 1438620234383. The reversal of 1438620234347 is 7434320268341.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1438620234347 - 2⁶ = 1438620234283 is a prime.

It is not a weakly prime, because it can be changed into another prime (1438620284347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 719310117173 + 719310117174.

It is an arithmetic number, because the mean of its divisors is an integer number (719310117174).

Almost surely, 2^{1438620234347} is an apocalyptic number.

1438620234347 is a deficient number, since it is larger than the sum of its proper divisors (1).

1438620234347 is an equidigital number, since it uses as much as digits as its factorization.

1438620234347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2322432, while the sum is 47.

The spelling of 1438620234347 in words is "one trillion, four hundred thirty-eight billion, six hundred twenty million, two hundred thirty-four thousand, three hundred forty-seven".