65740740743 has 2 divisors, whose sum is σ = 65740740744. Its totient is φ = 65740740742.

The previous prime is 65740740733. The next prime is 65740740761. The reversal of 65740740743 is 34704704756.

65740740743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65740740743 - 2¹⁴ = 65740724359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65740740713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32870370371 + 32870370372.

It is an arithmetic number, because the mean of its divisors is an integer number (32870370372).

Almost surely, 2^65740740743 is an apocalyptic number.

65740740743 is a deficient number, since it is larger than the sum of its proper divisors (1).

65740740743 is an equidigital number, since it uses as much as digits as its factorization.

65740740743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1975680, while the sum is 47.

The spelling of 65740740743 in words is "sixty-five billion, seven hundred forty million, seven hundred forty thousand, seven hundred forty-three".