669413603323 has 2 divisors, whose sum is σ = 669413603324. Its totient is φ = 669413603322.

The previous prime is 669413603269. The next prime is 669413603363. The reversal of 669413603323 is 323306314966.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 669413603323 - 2¹³ = 669413595131 is a prime.

It is a super-2 number, since 2×669413603323² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (669413603363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 334706801661 + 334706801662.

It is an arithmetic number, because the mean of its divisors is an integer number (334706801662).

Almost surely, 2^669413603323 is an apocalyptic number.

669413603323 is a deficient number, since it is larger than the sum of its proper divisors (1).

669413603323 is an equidigital number, since it uses as much as digits as its factorization.

669413603323 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1259712, while the sum is 46.

The spelling of 669413603323 in words is "six hundred sixty-nine billion, four hundred thirteen million, six hundred three thousand, three hundred twenty-three".