664736747083 has 2 divisors, whose sum is σ = 664736747084. Its totient is φ = 664736747082.

The previous prime is 664736747071. The next prime is 664736747089. The reversal of 664736747083 is 380747637466.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 664736747083 - 2¹³ = 664736738891 is a prime.

It is not a weakly prime, because it can be changed into another prime (664736747089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332368373541 + 332368373542.

It is an arithmetic number, because the mean of its divisors is an integer number (332368373542).

Almost surely, 2^664736747083 is an apocalyptic number.

664736747083 is a deficient number, since it is larger than the sum of its proper divisors (1).

664736747083 is an equidigital number, since it uses as much as digits as its factorization.

664736747083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 85349376, while the sum is 61.

The spelling of 664736747083 in words is "six hundred sixty-four billion, seven hundred thirty-six million, seven hundred forty-seven thousand, eighty-three".