264740035673 has 2 divisors, whose sum is σ = 264740035674. Its totient is φ = 264740035672.

The previous prime is 264740035667. The next prime is 264740035697. The reversal of 264740035673 is 376530047462.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 215804844304 + 48935191369 = 464548^2 + 221213^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264740035673 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (264740035633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132370017836 + 132370017837.

It is an arithmetic number, because the mean of its divisors is an integer number (132370017837).

Almost surely, 2^264740035673 is an apocalyptic number.

It is an amenable number.

264740035673 is a deficient number, since it is larger than the sum of its proper divisors (1).

264740035673 is an equidigital number, since it uses as much as digits as its factorization.

264740035673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 47.

The spelling of 264740035673 in words is "two hundred sixty-four billion, seven hundred forty million, thirty-five thousand, six hundred seventy-three".