675444442529 has 2 divisors, whose sum is σ = 675444442530. Its totient is φ = 675444442528.

The previous prime is 675444442501. The next prime is 675444442531. The reversal of 675444442529 is 925244444576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 372997240225 + 302447202304 = 610735^2 + 549952^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675444442529 is a prime.

Together with 675444442531, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (675444442559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337722221264 + 337722221265.

It is an arithmetic number, because the mean of its divisors is an integer number (337722221265).

Almost surely, 2^675444442529 is an apocalyptic number.

It is an amenable number.

675444442529 is a deficient number, since it is larger than the sum of its proper divisors (1).

675444442529 is an equidigital number, since it uses as much as digits as its factorization.

675444442529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 38707200, while the sum is 56.

The spelling of 675444442529 in words is "six hundred seventy-five billion, four hundred forty-four million, four hundred forty-two thousand, five hundred twenty-nine".