819049244 has 12 divisors (see below), whose sum is σ = 1543592904. Its totient is φ = 378022704.

The previous prime is 819049243. The next prime is 819049249. The reversal of 819049244 is 442940918.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (819049243) 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, 7875422 + ... + 7875525.

It is an arithmetic number, because the mean of its divisors is an integer number (128632742).

Almost surely, 2^819049244 is an apocalyptic number.

It is an amenable number.

819049244 is a deficient number, since it is larger than the sum of its proper divisors (724543660).

819049244 is a wasteful number, since it uses less digits than its factorization.

819049244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15750964 (or 15750962 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 819049244 is about 28619.0363918843. The cubic root of 819049244 is about 935.6282751524.

The spelling of 819049244 in words is "eight hundred nineteen million, forty-nine thousand, two hundred forty-four".