65740740733 has 2 divisors, whose sum is σ = 65740740734. Its totient is φ = 65740740732.

The previous prime is 65740740731. The next prime is 65740740743. The reversal of 65740740733 is 33704704756.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45632649924 + 20108090809 = 213618^2 + 141803^2 .

It is a cyclic number.

It is not a de Polignac number, because 65740740733 - 2¹ = 65740740731 is a prime.

Together with 65740740731, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65740740731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32870370366 + 32870370367.

It is an arithmetic number, because the mean of its divisors is an integer number (32870370367).

Almost surely, 2^65740740733 is an apocalyptic number.

It is an amenable number.

65740740733 is a deficient number, since it is larger than the sum of its proper divisors (1).

65740740733 is an equidigital number, since it uses as much as digits as its factorization.

65740740733 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1481760, while the sum is 46.

The spelling of 65740740733 in words is "sixty-five billion, seven hundred forty million, seven hundred forty thousand, seven hundred thirty-three".