65707143641 has 2 divisors, whose sum is σ = 65707143642. Its totient is φ = 65707143640.

The previous prime is 65707143637. The next prime is 65707143673. The reversal of 65707143641 is 14634170756.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65390161225 + 316982416 = 255715^2 + 17804^2 .

It is a cyclic number.

It is not a de Polignac number, because 65707143641 - 2² = 65707143637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 65707143592 and 65707143601.

It is not a weakly prime, because it can be changed into another prime (65707103641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32853571820 + 32853571821.

It is an arithmetic number, because the mean of its divisors is an integer number (32853571821).

Almost surely, 2^65707143641 is an apocalyptic number.

It is an amenable number.

65707143641 is a deficient number, since it is larger than the sum of its proper divisors (1).

65707143641 is an equidigital number, since it uses as much as digits as its factorization.

65707143641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 44.

The spelling of 65707143641 in words is "sixty-five billion, seven hundred seven million, one hundred forty-three thousand, six hundred forty-one".