676565429 has 2 divisors, whose sum is σ = 676565430. Its totient is φ = 676565428.

The previous prime is 676565399. The next prime is 676565437. The reversal of 676565429 is 924565676.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 659976100 + 16589329 = 25690^2 + 4073^2 .

It is a cyclic number.

It is not a de Polignac number, because 676565429 - 2¹⁶ = 676499893 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (676562429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338282714 + 338282715.

It is an arithmetic number, because the mean of its divisors is an integer number (338282715).

Almost surely, 2^676565429 is an apocalyptic number.

It is an amenable number.

676565429 is a deficient number, since it is larger than the sum of its proper divisors (1).

676565429 is an equidigital number, since it uses as much as digits as its factorization.

676565429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2721600, while the sum is 50.

The square root of 676565429 is about 26010.8713617979. The cubic root of 676565429 is about 877.8829226780.

The spelling of 676565429 in words is "six hundred seventy-six million, five hundred sixty-five thousand, four hundred twenty-nine".