409363346465 has 8 divisors (see below), whose sum is σ = 503217382248. Its totient is φ = 319503099520.

The previous prime is 409363346461. The next prime is 409363346477. The reversal of 409363346465 is 564643363904.

It can be written as a sum of positive squares in 4 ways, for example, as 15841746496 + 393521599969 = 125864^2 + 627313^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 409363346465 - 2² = 409363346461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (409363346461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998446982 + ... + 998447391.

It is an arithmetic number, because the mean of its divisors is an integer number (62902172781).

Almost surely, 2^409363346465 is an apocalyptic number.

It is an amenable number.

409363346465 is a deficient number, since it is larger than the sum of its proper divisors (93854035783).

409363346465 is a wasteful number, since it uses less digits than its factorization.

409363346465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996894419.

The product of its (nonzero) digits is 16796160, while the sum is 53.

The spelling of 409363346465 in words is "four hundred nine billion, three hundred sixty-three million, three hundred forty-six thousand, four hundred sixty-five".