2019709602 has 48 divisors (see below), whose sum is σ = 4524694200. Its totient is φ = 650612736.

The previous prime is 2019709561. The next prime is 2019709607. The reversal of 2019709602 is 2069079102.

It can be written as a sum of positive squares in 4 ways, for example, as 1640979081 + 378730521 = 40509^2 + 19461^2 .

It is not an unprimeable number, because it can be changed into a prime (2019709607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89058 + ... + 109410.

Almost surely, 2^2019709602 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2019709602, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2262347100).

2019709602 is an abundant number, since it is smaller than the sum of its proper divisors (2504984598).

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

2019709602 is a wasteful number, since it uses less digits than its factorization.

2019709602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20547 (or 20544 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 2019709602 is about 44941.1793570218. The cubic root of 2019709602 is about 1264.0462853751.

The spelling of 2019709602 in words is "two billion, nineteen million, seven hundred nine thousand, six hundred two".