667419008297 has 2 divisors, whose sum is σ = 667419008298. Its totient is φ = 667419008296.

The previous prime is 667419008239. The next prime is 667419008353. The reversal of 667419008297 is 792800914766.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 653091875881 + 14327132416 = 808141^2 + 119696^2 .

It is a cyclic number.

It is not a de Polignac number, because 667419008297 - 2⁸ = 667419008041 is a prime.

It is not a weakly prime, because it can be changed into another prime (667419908297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333709504148 + 333709504149.

It is an arithmetic number, because the mean of its divisors is an integer number (333709504149).

Almost surely, 2^667419008297 is an apocalyptic number.

It is an amenable number.

667419008297 is a deficient number, since it is larger than the sum of its proper divisors (1).

667419008297 is an equidigital number, since it uses as much as digits as its factorization.

667419008297 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9144576, while the sum is 59.

The spelling of 667419008297 in words is "six hundred sixty-seven billion, four hundred nineteen million, eight thousand, two hundred ninety-seven".