2019739044 has 48 divisors (see below), whose sum is σ = 4805292800. Its totient is φ = 660151296.

The previous prime is 2019739027. The next prime is 2019739093. The reversal of 2019739044 is 4409379102.

It is a junction number, because it is equal to n+sod(n) for n = 2019738993 and 2019739011.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118917 + ... + 134835.

Almost surely, 2^2019739044 is an apocalyptic number.

It is an amenable number.

2019739044 is an abundant number, since it is smaller than the sum of its proper divisors (2785553756).

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

2019739044 is a wasteful number, since it uses less digits than its factorization.

2019739044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16132 (or 16130 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 2019739044 is about 44941.5069173253. The cubic root of 2019739044 is about 1264.0524274908.

The spelling of 2019739044 in words is "two billion, nineteen million, seven hundred thirty-nine thousand, forty-four".