664391300411 has 2 divisors, whose sum is σ = 664391300412. Its totient is φ = 664391300410.

The previous prime is 664391300351. The next prime is 664391300431. The reversal of 664391300411 is 114003193466.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 664391300411 - 2¹⁴ = 664391284027 is a prime.

It is not a weakly prime, because it can be changed into another prime (664391300431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 332195650205 + 332195650206.

It is an arithmetic number, because the mean of its divisors is an integer number (332195650206).

Almost surely, 2^664391300411 is an apocalyptic number.

664391300411 is a deficient number, since it is larger than the sum of its proper divisors (1).

664391300411 is an equidigital number, since it uses as much as digits as its factorization.

664391300411 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 38.

Adding to 664391300411 its reverse (114003193466), we get a palindrome (778394493877).

The spelling of 664391300411 in words is "six hundred sixty-four billion, three hundred ninety-one million, three hundred thousand, four hundred eleven".