486509250869 has 4 divisors (see below), whose sum is σ = 486564879744. Its totient is φ = 486453621996.

The previous prime is 486509250823. The next prime is 486509250883. The reversal of 486509250869 is 968052905684.

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 486509250869 - 2²⁰ = 486508202293 is a prime.

It is a super-2 number, since 2×486509250869² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (486509250889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27801317 + ... + 27818810.

It is an arithmetic number, because the mean of its divisors is an integer number (121641219936).

Almost surely, 2^486509250869 is an apocalyptic number.

It is an amenable number.

486509250869 is a deficient number, since it is larger than the sum of its proper divisors (55628875).

486509250869 is an equidigital number, since it uses as much as digits as its factorization.

486509250869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55628874.

The product of its (nonzero) digits is 37324800, while the sum is 62.

The spelling of 486509250869 in words is "four hundred eighty-six billion, five hundred nine million, two hundred fifty thousand, eight hundred sixty-nine".