523426513627477 has 2 divisors, whose sum is σ = 523426513627478. Its totient is φ = 523426513627476.

The previous prime is 523426513627429. The next prime is 523426513627483. The reversal of 523426513627477 is 774726315624325.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 409199454085041 + 114227059542436 = 20228679^2 + 10687706^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-523426513627477 is a prime.

It is a super-3 number, since 3×523426513627477³ (a number of 45 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (523426513637477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 261713256813738 + 261713256813739.

It is an arithmetic number, because the mean of its divisors is an integer number (261713256813739).

Almost surely, 2^{523426513627477} is an apocalyptic number.

It is an amenable number.

523426513627477 is a deficient number, since it is larger than the sum of its proper divisors (1).

523426513627477 is an equidigital number, since it uses as much as digits as its factorization.

523426513627477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 355622400, while the sum is 64.

The spelling of 523426513627477 in words is "five hundred twenty-three trillion, four hundred twenty-six billion, five hundred thirteen million, six hundred twenty-seven thousand, four hundred seventy-seven".