676232149 has 2 divisors, whose sum is σ = 676232150. Its totient is φ = 676232148.

The previous prime is 676232143. The next prime is 676232203. The reversal of 676232149 is 941232676.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 637916049 + 38316100 = 25257^2 + 6190^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-676232149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676232143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338116074 + 338116075.

It is an arithmetic number, because the mean of its divisors is an integer number (338116075).

Almost surely, 2^676232149 is an apocalyptic number.

It is an amenable number.

676232149 is a deficient number, since it is larger than the sum of its proper divisors (1).

676232149 is an equidigital number, since it uses as much as digits as its factorization.

676232149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 676232149 is about 26004.4640206254. The cubic root of 676232149 is about 877.7387489522.

The spelling of 676232149 in words is "six hundred seventy-six million, two hundred thirty-two thousand, one hundred forty-nine".