4346644387 has 2 divisors, whose sum is σ = 4346644388. Its totient is φ = 4346644386.

The previous prime is 4346644343. The next prime is 4346644411. The reversal of 4346644387 is 7834466434.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4346644387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4346644387.

It is not a weakly prime, because it can be changed into another prime (4346654387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2173322193 + 2173322194.

It is an arithmetic number, because the mean of its divisors is an integer number (2173322194).

Almost surely, 2^4346644387 is an apocalyptic number.

4346644387 is a deficient number, since it is larger than the sum of its proper divisors (1).

4346644387 is an equidigital number, since it uses as much as digits as its factorization.

4346644387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4644864, while the sum is 49.

The square root of 4346644387 is about 65929.0860470551. The cubic root of 4346644387 is about 1631.9920426601.

The spelling of 4346644387 in words is "four billion, three hundred forty-six million, six hundred forty-four thousand, three hundred eighty-seven".