4347736681 has 2 divisors, whose sum is σ = 4347736682. Its totient is φ = 4347736680.

The previous prime is 4347736649. The next prime is 4347736691. The reversal of 4347736681 is 1866377434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2630048656 + 1717688025 = 51284^2 + 41445^2 .

It is a cyclic number.

It is not a de Polignac number, because 4347736681 - 2⁵ = 4347736649 is a prime.

It is a super-2 number, since 2×4347736681² = 37805628494625791522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4347736691) 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, 2173868340 + 2173868341.

It is an arithmetic number, because the mean of its divisors is an integer number (2173868341).

Almost surely, 2^4347736681 is an apocalyptic number.

It is an amenable number.

4347736681 is a deficient number, since it is larger than the sum of its proper divisors (1).

4347736681 is an equidigital number, since it uses as much as digits as its factorization.

4347736681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 49.

The square root of 4347736681 is about 65937.3693818611. The cubic root of 4347736681 is about 1632.1287355246.

The spelling of 4347736681 in words is "four billion, three hundred forty-seven million, seven hundred thirty-six thousand, six hundred eighty-one".