411369505 has 4 divisors (see below), whose sum is σ = 493643412. Its totient is φ = 329095600.

The previous prime is 411369493. The next prime is 411369509. The reversal of 411369505 is 505963114.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 188046369 + 223323136 = 13713^2 + 14944^2 .

It is not a de Polignac number, because 411369505 - 2⁷ = 411369377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (411369509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41136946 + ... + 41136955.

It is an arithmetic number, because the mean of its divisors is an integer number (123410853).

Almost surely, 2^411369505 is an apocalyptic number.

It is an amenable number.

411369505 is a deficient number, since it is larger than the sum of its proper divisors (82273907).

411369505 is an equidigital number, since it uses as much as digits as its factorization.

411369505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82273906.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 411369505 is about 20282.2460541233. The cubic root of 411369505 is about 743.7221190499.

The spelling of 411369505 in words is "four hundred eleven million, three hundred sixty-nine thousand, five hundred five".