65689337743 has 2 divisors, whose sum is σ = 65689337744. Its totient is φ = 65689337742.

The previous prime is 65689337723. The next prime is 65689337761. The reversal of 65689337743 is 34773398656.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65689337743 - 2⁵ = 65689337711 is a prime.

It is a super-2 number, since 2×65689337743² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65689337723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32844668871 + 32844668872.

It is an arithmetic number, because the mean of its divisors is an integer number (32844668872).

Almost surely, 2^65689337743 is an apocalyptic number.

65689337743 is a deficient number, since it is larger than the sum of its proper divisors (1).

65689337743 is an equidigital number, since it uses as much as digits as its factorization.

65689337743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68584320, while the sum is 61.

The spelling of 65689337743 in words is "sixty-five billion, six hundred eighty-nine million, three hundred thirty-seven thousand, seven hundred forty-three".