6740542751 has 2 divisors, whose sum is σ = 6740542752. Its totient is φ = 6740542750.

The previous prime is 6740542723. The next prime is 6740542759. The reversal of 6740542751 is 1572450476.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6740542751 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 6740542699 and 6740542708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6740542759) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3370271375 + 3370271376.

It is an arithmetic number, because the mean of its divisors is an integer number (3370271376).

Almost surely, 2^6740542751 is an apocalyptic number.

6740542751 is a deficient number, since it is larger than the sum of its proper divisors (1).

6740542751 is an equidigital number, since it uses as much as digits as its factorization.

6740542751 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 6740542751 is about 82100.8084673957. The cubic root of 6740542751 is about 1888.9985410494.

The spelling of 6740542751 in words is "six billion, seven hundred forty million, five hundred forty-two thousand, seven hundred fifty-one".