6740542759 has 2 divisors, whose sum is σ = 6740542760. Its totient is φ = 6740542758.

The previous prime is 6740542751. The next prime is 6740542769. The reversal of 6740542759 is 9572450476.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6740542759 - 2³ = 6740542751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6740542751) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3370271379 + 3370271380.

It is an arithmetic number, because the mean of its divisors is an integer number (3370271380).

Almost surely, 2^6740542759 is an apocalyptic number.

6740542759 is a deficient number, since it is larger than the sum of its proper divisors (1).

6740542759 is an equidigital number, since it uses as much as digits as its factorization.

6740542759 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 49.

The square root of 6740542759 is about 82100.8085161163. The cubic root of 6740542759 is about 1888.9985417967.

The spelling of 6740542759 in words is "six billion, seven hundred forty million, five hundred forty-two thousand, seven hundred fifty-nine".