2019640712 has 16 divisors (see below), whose sum is σ = 3787491840. Its totient is φ = 1009642896.

The previous prime is 2019640709. The next prime is 2019640723. The reversal of 2019640712 is 2170469102.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34793 + ... + 72455.

It is an arithmetic number, because the mean of its divisors is an integer number (236718240).

Almost surely, 2^2019640712 is an apocalyptic number.

It is an amenable number.

2019640712 is a deficient number, since it is larger than the sum of its proper divisors (1767851128).

2019640712 is a wasteful number, since it uses less digits than its factorization.

2019640712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44372 (or 44368 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 2019640712 is about 44940.4129042002. The cubic root of 2019640712 is about 1264.0319134842.

The spelling of 2019640712 in words is "two billion, nineteen million, six hundred forty thousand, seven hundred twelve".