523426513627429 has 2 divisors, whose sum is σ = 523426513627430. Its totient is φ = 523426513627428.

The previous prime is 523426513627411. The next prime is 523426513627477. The reversal of 523426513627429 is 924726315624325.

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., 504694107298404 + 18732406329025 = 22465398^2 + 4328095^2 .

It is a cyclic number.

It is not a de Polignac number, because 523426513627429 - 2⁹ = 523426513626917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523426513624429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261713256813714 + 261713256813715.

It is an arithmetic number, because the mean of its divisors is an integer number (261713256813715).

Almost surely, 2^{523426513627429} is an apocalyptic number.

It is an amenable number.

523426513627429 is a deficient number, since it is larger than the sum of its proper divisors (1).

523426513627429 is an equidigital number, since it uses as much as digits as its factorization.

523426513627429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 130636800, while the sum is 61.

The spelling of 523426513627429 in words is "five hundred twenty-three trillion, four hundred twenty-six billion, five hundred thirteen million, six hundred twenty-seven thousand, four hundred twenty-nine".