675956429 has 2 divisors, whose sum is σ = 675956430. Its totient is φ = 675956428.

The previous prime is 675956419. The next prime is 675956443. The reversal of 675956429 is 924659576.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 381147529 + 294808900 = 19523^2 + 17170^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-675956429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (675956419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337978214 + 337978215.

It is an arithmetic number, because the mean of its divisors is an integer number (337978215).

Almost surely, 2^675956429 is an apocalyptic number.

It is an amenable number.

675956429 is a deficient number, since it is larger than the sum of its proper divisors (1).

675956429 is an equidigital number, since it uses as much as digits as its factorization.

675956429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4082400, while the sum is 53.

The square root of 675956429 is about 25999.1620826518. The cubic root of 675956429 is about 877.6194393200.

The spelling of 675956429 in words is "six hundred seventy-five million, nine hundred fifty-six thousand, four hundred twenty-nine".