6723845417 has 2 divisors, whose sum is σ = 6723845418. Its totient is φ = 6723845416.

The previous prime is 6723845413. The next prime is 6723845483. The reversal of 6723845417 is 7145483276.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3625364521 + 3098480896 = 60211^2 + 55664^2 .

It is a cyclic number.

It is not a de Polignac number, because 6723845417 - 2² = 6723845413 is a prime.

It is not a weakly prime, because it can be changed into another prime (6723845413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3361922708 + 3361922709.

It is an arithmetic number, because the mean of its divisors is an integer number (3361922709).

Almost surely, 2^6723845417 is an apocalyptic number.

It is an amenable number.

6723845417 is a deficient number, since it is larger than the sum of its proper divisors (1).

6723845417 is an equidigital number, since it uses as much as digits as its factorization.

6723845417 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1128960, while the sum is 47.

The square root of 6723845417 is about 81999.0574153142. The cubic root of 6723845417 is about 1887.4374738991.

The spelling of 6723845417 in words is "six billion, seven hundred twenty-three million, eight hundred forty-five thousand, four hundred seventeen".