409497011 has 16 divisors (see below), whose sum is σ = 527013888. Its totient is φ = 308793600.

The previous prime is 409496999. The next prime is 409497029. The reversal of 409497011 is 110794904.

It is a cyclic number.

It is not a de Polignac number, because 409497011 - 2¹⁸ = 409234867 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (409497061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83390 + ... + 88163.

It is an arithmetic number, because the mean of its divisors is an integer number (32938368).

Almost surely, 2^409497011 is an apocalyptic number.

409497011 is a deficient number, since it is larger than the sum of its proper divisors (117516877).

409497011 is a wasteful number, since it uses less digits than its factorization.

409497011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171602.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 409497011 is about 20236.0324915730. The cubic root of 409497011 is about 742.5919643334.

The spelling of 409497011 in words is "four hundred nine million, four hundred ninety-seven thousand, eleven".