469866081636 has 192 divisors, whose sum is σ = 1403849932800. Its totient is φ = 133125804288.

The previous prime is 469866081623. The next prime is 469866081667. The reversal of 469866081636 is 636180668964.

469866081636 is a `hidden beast` number, since 4 + 6 + 9 + 8 + 6 + 608 + 16 + 3 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 132466815 + ... + 132470361.

It is an arithmetic number, because the mean of its divisors is an integer number (7311718400).

Almost surely, 2^469866081636 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 469866081636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (701924966400).

469866081636 is an abundant number, since it is smaller than the sum of its proper divisors (933983851164).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

469866081636 is a wasteful number, since it uses less digits than its factorization.

469866081636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4983 (or 4975 counting only the distinct ones).

The product of its (nonzero) digits is 53747712, while the sum is 63.

The spelling of 469866081636 in words is "four hundred sixty-nine billion, eight hundred sixty-six million, eighty-one thousand, six hundred thirty-six".