409573688263 has 2 divisors, whose sum is σ = 409573688264. Its totient is φ = 409573688262.

The previous prime is 409573688219. The next prime is 409573688311. The reversal of 409573688263 is 362886375904.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 409573688263 - 2¹³ = 409573680071 is a prime.

It is a super-2 number, since 2×409573688263² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (409573688213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 204786844131 + 204786844132.

It is an arithmetic number, because the mean of its divisors is an integer number (204786844132).

Almost surely, 2^409573688263 is an apocalyptic number.

409573688263 is a deficient number, since it is larger than the sum of its proper divisors (1).

409573688263 is an equidigital number, since it uses as much as digits as its factorization.

409573688263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 409573688263 in words is "four hundred nine billion, five hundred seventy-three million, six hundred eighty-eight thousand, two hundred sixty-three".