6740645033 has 2 divisors, whose sum is σ = 6740645034. Its totient is φ = 6740645032.

The previous prime is 6740645017. The next prime is 6740645069. The reversal of 6740645033 is 3305460476.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6302454544 + 438190489 = 79388^2 + 20933^2 .

It is a cyclic number.

It is not a de Polignac number, because 6740645033 - 2⁴ = 6740645017 is a prime.

It is not a weakly prime, because it can be changed into another prime (6740645003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3370322516 + 3370322517.

It is an arithmetic number, because the mean of its divisors is an integer number (3370322517).

Almost surely, 2^6740645033 is an apocalyptic number.

It is an amenable number.

6740645033 is a deficient number, since it is larger than the sum of its proper divisors (1).

6740645033 is an equidigital number, since it uses as much as digits as its factorization.

6740645033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 38.

The square root of 6740645033 is about 82101.4313699828. The cubic root of 6740645033 is about 1889.0080956495.

The spelling of 6740645033 in words is "six billion, seven hundred forty million, six hundred forty-five thousand, thirty-three".