536601645809 has 2 divisors, whose sum is σ = 536601645810. Its totient is φ = 536601645808.

The previous prime is 536601645799. The next prime is 536601645817. The reversal of 536601645809 is 908546106635.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 494349610000 + 42252035809 = 703100^2 + 205553^2 .

It is a cyclic number.

It is not a de Polignac number, because 536601645809 - 2⁸ = 536601645553 is a prime.

It is not a weakly prime, because it can be changed into another prime (536601645829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268300822904 + 268300822905.

It is an arithmetic number, because the mean of its divisors is an integer number (268300822905).

Almost surely, 2^536601645809 is an apocalyptic number.

It is an amenable number.

536601645809 is a deficient number, since it is larger than the sum of its proper divisors (1).

536601645809 is an equidigital number, since it uses as much as digits as its factorization.

536601645809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4665600, while the sum is 53.

The spelling of 536601645809 in words is "five hundred thirty-six billion, six hundred one million, six hundred forty-five thousand, eight hundred nine".