1949789712 has 80 divisors (see below), whose sum is σ = 5611515840. Its totient is φ = 579242496.

The previous prime is 1949789701. The next prime is 1949789719. The reversal of 1949789712 is 2179879491.

It is not an unprimeable number, because it can be changed into a prime (1949789719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35778 + ... + 71969.

It is an arithmetic number, because the mean of its divisors is an integer number (70143948).

Almost surely, 2^1949789712 is an apocalyptic number.

1949789712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1949789712 is an abundant number, since it is smaller than the sum of its proper divisors (3661726128).

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

1949789712 is a wasteful number, since it uses less digits than its factorization.

1949789712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107800 (or 107794 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 57.

The square root of 1949789712 is about 44156.4232247133. The cubic root of 1949789712 is about 1249.2880664909.

The spelling of 1949789712 in words is "one billion, nine hundred forty-nine million, seven hundred eighty-nine thousand, seven hundred twelve".