900000821476 has 12 divisors (see below), whose sum is σ = 1578929124780. Its totient is φ = 448878214400.

The previous prime is 900000821441. The next prime is 900000821479. The reversal of 900000821476 is 674128000009.

It can be written as a sum of positive squares in 2 ways, for example, as 885906383076 + 14094438400 = 941226^2 + 118720^2 .

It is not an unprimeable number, because it can be changed into a prime (900000821479) 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, 280547281 + ... + 280550488.

It is an arithmetic number, because the mean of its divisors is an integer number (131577427065).

Almost surely, 2^900000821476 is an apocalyptic number.

It is an amenable number.

900000821476 is a deficient number, since it is larger than the sum of its proper divisors (678928303304).

900000821476 is a wasteful number, since it uses less digits than its factorization.

900000821476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561098174 (or 561098172 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The spelling of 900000821476 in words is "nine hundred billion, eight hundred twenty-one thousand, four hundred seventy-six".