7346543681 has 2 divisors, whose sum is σ = 7346543682. Its totient is φ = 7346543680.

The previous prime is 7346543669. The next prime is 7346543731. The reversal of 7346543681 is 1863456437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6908269456 + 438274225 = 83116^2 + 20935^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7346543681 is a prime.

It is a super-2 number, since 2×7346543681² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7346542681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3673271840 + 3673271841.

It is an arithmetic number, because the mean of its divisors is an integer number (3673271841).

Almost surely, 2^7346543681 is an apocalyptic number.

It is an amenable number.

7346543681 is a deficient number, since it is larger than the sum of its proper divisors (1).

7346543681 is an equidigital number, since it uses as much as digits as its factorization.

7346543681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 47.

The square root of 7346543681 is about 85711.9809653236. The cubic root of 7346543681 is about 1943.9914704116.

The spelling of 7346543681 in words is "seven billion, three hundred forty-six million, five hundred forty-three thousand, six hundred eighty-one".