810482061409 has 4 divisors (see below), whose sum is σ = 858157476804. Its totient is φ = 762806646016.

The previous prime is 810482061353. The next prime is 810482061427. The reversal of 810482061409 is 904160284018.

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 710433208384 + 100048853025 = 842872^2 + 316305^2 .

It is a cyclic number.

It is not a de Polignac number, because 810482061409 - 2¹³ = 810482053217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (810482061469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23837707672 + ... + 23837707705.

It is an arithmetic number, because the mean of its divisors is an integer number (214539369201).

Almost surely, 2^810482061409 is an apocalyptic number.

It is an amenable number.

810482061409 is a deficient number, since it is larger than the sum of its proper divisors (47675415395).

810482061409 is a wasteful number, since it uses less digits than its factorization.

810482061409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47675415394.

The product of its (nonzero) digits is 110592, while the sum is 43.

The spelling of 810482061409 in words is "eight hundred ten billion, four hundred eighty-two million, sixty-one thousand, four hundred nine".