486401819 has 4 divisors (see below), whose sum is σ = 498265320. Its totient is φ = 474538320.

The previous prime is 486401809. The next prime is 486401831. The reversal of 486401819 is 918104684.

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

It is a cyclic number.

It is not a de Polignac number, because 486401819 - 2¹⁶ = 486336283 is a prime.

It is a super-2 number, since 2×486401819² = 473173459053017522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 11863459 = 486401819 / (4 + 8 + 6 + 4 + 0 + 1 + 8 + 1 + 9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (486401809) 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, 5931689 + ... + 5931770.

It is an arithmetic number, because the mean of its divisors is an integer number (124566330).

Almost surely, 2^486401819 is an apocalyptic number.

486401819 is a deficient number, since it is larger than the sum of its proper divisors (11863501).

486401819 is a wasteful number, since it uses less digits than its factorization.

486401819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11863500.

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 486401819 is about 22054.5192420964. The cubic root of 486401819 is about 786.4390383448.

The spelling of 486401819 in words is "four hundred eighty-six million, four hundred one thousand, eight hundred nineteen".