909049223144 has 32 divisors (see below), whose sum is σ = 1804247676000. Its totient is φ = 428645499072.

The previous prime is 909049223143. The next prime is 909049223149. The reversal of 909049223144 is 441322940909.

It is not an unprimeable number, because it can be changed into a prime (909049223143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45551834 + ... + 45571785.

It is an arithmetic number, because the mean of its divisors is an integer number (56382739875).

Almost surely, 2^909049223144 is an apocalyptic number.

It is an amenable number.

909049223144 is a deficient number, since it is larger than the sum of its proper divisors (895198452856).

909049223144 is a wasteful number, since it uses less digits than its factorization.

909049223144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91123697 (or 91123693 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 47.

The spelling of 909049223144 in words is "nine hundred nine billion, forty-nine million, two hundred twenty-three thousand, one hundred forty-four".