56529673192609 has 2 divisors, whose sum is σ = 56529673192610. Its totient is φ = 56529673192608.

The previous prime is 56529673192541. The next prime is 56529673192631. The reversal of 56529673192609 is 90629137692565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56185518490000 + 344154702609 = 7495700^2 + 586647^2 .

It is a cyclic number.

It is not a de Polignac number, because 56529673192609 - 2³¹ = 56527525708961 is a prime.

It is a super-2 number, since 2×56529673192609² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (56529673192669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28264836596304 + 28264836596305.

It is an arithmetic number, because the mean of its divisors is an integer number (28264836596305).

Almost surely, 2^{56529673192609} is an apocalyptic number.

It is an amenable number.

56529673192609 is a deficient number, since it is larger than the sum of its proper divisors (1).

56529673192609 is an equidigital number, since it uses as much as digits as its factorization.

56529673192609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 330674400, while the sum is 70.

The spelling of 56529673192609 in words is "fifty-six trillion, five hundred twenty-nine billion, six hundred seventy-three million, one hundred ninety-two thousand, six hundred nine".