529839636493 has 2 divisors, whose sum is σ = 529839636494. Its totient is φ = 529839636492.

The previous prime is 529839636409. The next prime is 529839636587. The reversal of 529839636493 is 394636938925.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 347990268649 + 181849367844 = 589907^2 + 426438^2 .

It is a cyclic number.

It is not a de Polignac number, because 529839636493 - 2¹³ = 529839628301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (529839630493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264919818246 + 264919818247.

It is an arithmetic number, because the mean of its divisors is an integer number (264919818247).

Almost surely, 2^529839636493 is an apocalyptic number.

It is an amenable number.

529839636493 is a deficient number, since it is larger than the sum of its proper divisors (1).

529839636493 is an equidigital number, since it uses as much as digits as its factorization.

529839636493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 226748160, while the sum is 67.

The spelling of 529839636493 in words is "five hundred twenty-nine billion, eight hundred thirty-nine million, six hundred thirty-six thousand, four hundred ninety-three".