6745388651 has 2 divisors, whose sum is σ = 6745388652. Its totient is φ = 6745388650.

The previous prime is 6745388627. The next prime is 6745388653. The reversal of 6745388651 is 1568835476.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6745388651 is a prime.

It is a Sophie Germain prime.

Together with 6745388653, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6745388593 and 6745388602.

It is not a weakly prime, because it can be changed into another prime (6745388653) 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, 3372694325 + 3372694326.

It is an arithmetic number, because the mean of its divisors is an integer number (3372694326).

Almost surely, 2^6745388651 is an apocalyptic number.

6745388651 is the 43901-st centered heptagonal number.

6745388651 is a deficient number, since it is larger than the sum of its proper divisors (1).

6745388651 is an equidigital number, since it uses as much as digits as its factorization.

6745388651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4838400, while the sum is 53.

The square root of 6745388651 is about 82130.3150547957. The cubic root of 6745388651 is about 1889.4511111964.

The spelling of 6745388651 in words is "six billion, seven hundred forty-five million, three hundred eighty-eight thousand, six hundred fifty-one".