675666413 has 2 divisors, whose sum is σ = 675666414. Its totient is φ = 675666412.

The previous prime is 675666403. The next prime is 675666457. The reversal of 675666413 is 314666576.

It is an a-pointer prime, because the next prime (675666457) can be obtained adding 675666413 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 562733284 + 112933129 = 23722^2 + 10627^2 .

It is a cyclic number.

It is not a de Polignac number, because 675666413 - 2⁶ = 675666349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675666403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337833206 + 337833207.

It is an arithmetic number, because the mean of its divisors is an integer number (337833207).

Almost surely, 2^675666413 is an apocalyptic number.

It is an amenable number.

675666413 is a deficient number, since it is larger than the sum of its proper divisors (1).

675666413 is an equidigital number, since it uses as much as digits as its factorization.

675666413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 44.

The square root of 675666413 is about 25993.5840737671. The cubic root of 675666413 is about 877.4939085028.

The spelling of 675666413 in words is "six hundred seventy-five million, six hundred sixty-six thousand, four hundred thirteen".