409498564853 has 4 divisors (see below), whose sum is σ = 467998359840. Its totient is φ = 350998769868.

The previous prime is 409498564831. The next prime is 409498564873. The reversal of 409498564853 is 358465894904.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 409498564853 - 2⁶ = 409498564789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 409498564853.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409498564873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29249897483 + ... + 29249897496.

It is an arithmetic number, because the mean of its divisors is an integer number (116999589960).

Almost surely, 2^409498564853 is an apocalyptic number.

It is an amenable number.

409498564853 is a deficient number, since it is larger than the sum of its proper divisors (58499794987).

409498564853 is an equidigital number, since it uses as much as digits as its factorization.

409498564853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58499794986.

The product of its (nonzero) digits is 149299200, while the sum is 65.

The spelling of 409498564853 in words is "four hundred nine billion, four hundred ninety-eight million, five hundred sixty-four thousand, eight hundred fifty-three".