667485360593 has 2 divisors, whose sum is σ = 667485360594. Its totient is φ = 667485360592.

The previous prime is 667485360589. The next prime is 667485360649. The reversal of 667485360593 is 395063584766.

It is a happy number.

667485360593 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 661006398529 + 6478962064 = 813023^2 + 80492^2 .

It is a cyclic number.

It is not a de Polignac number, because 667485360593 - 2² = 667485360589 is a prime.

It is not a weakly prime, because it can be changed into another prime (667485360193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333742680296 + 333742680297.

It is an arithmetic number, because the mean of its divisors is an integer number (333742680297).

Almost surely, 2^667485360593 is an apocalyptic number.

It is an amenable number.

667485360593 is a deficient number, since it is larger than the sum of its proper divisors (1).

667485360593 is an equidigital number, since it uses as much as digits as its factorization.

667485360593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97977600, while the sum is 62.

The spelling of 667485360593 in words is "six hundred sixty-seven billion, four hundred eighty-five million, three hundred sixty thousand, five hundred ninety-three".