6240540673 has 2 divisors, whose sum is σ = 6240540674. Its totient is φ = 6240540672.

The previous prime is 6240540643. The next prime is 6240540697. The reversal of 6240540673 is 3760450426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6239736064 + 804609 = 78992^2 + 897^2 .

It is a cyclic number.

It is not a de Polignac number, because 6240540673 - 2¹³ = 6240532481 is a prime.

It is not a weakly prime, because it can be changed into another prime (6240540643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3120270336 + 3120270337.

It is an arithmetic number, because the mean of its divisors is an integer number (3120270337).

Almost surely, 2^6240540673 is an apocalyptic number.

It is an amenable number.

6240540673 is a deficient number, since it is larger than the sum of its proper divisors (1).

6240540673 is an equidigital number, since it uses as much as digits as its factorization.

6240540673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 37.

The square root of 6240540673 is about 78997.0928135966. The cubic root of 6240540673 is about 1841.0859878701.

The spelling of 6240540673 in words is "six billion, two hundred forty million, five hundred forty thousand, six hundred seventy-three".