485408604821 has 16 divisors (see below), whose sum is σ = 576295418880. Its totient is φ = 400078448640.

The previous prime is 485408604817. The next prime is 485408604931. The reversal of 485408604821 is 128406804584.

It is a cyclic number.

It is not a de Polignac number, because 485408604821 - 2² = 485408604817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 485408604821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (485402604821) 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, 7089836 + ... + 7157973.

It is an arithmetic number, because the mean of its divisors is an integer number (36018463680).

Almost surely, 2^485408604821 is an apocalyptic number.

It is an amenable number.

485408604821 is a deficient number, since it is larger than the sum of its proper divisors (90886814059).

485408604821 is a wasteful number, since it uses less digits than its factorization.

485408604821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14248004.

The product of its (nonzero) digits is 1966080, while the sum is 50.

The spelling of 485408604821 in words is "four hundred eighty-five billion, four hundred eight million, six hundred four thousand, eight hundred twenty-one".