2019472650 has 144 divisors (see below), whose sum is σ = 5943057120. Its totient is φ = 488592000.

The previous prime is 2019472633. The next prime is 2019472669. The reversal of 2019472650 is 562749102.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 342225 + ... + 348075.

It is an arithmetic number, because the mean of its divisors is an integer number (41271230).

Almost surely, 2^2019472650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2019472650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2971528560).

2019472650 is an abundant number, since it is smaller than the sum of its proper divisors (3923584470).

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

2019472650 is a wasteful number, since it uses less digits than its factorization.

2019472650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5941 (or 5933 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 2019472650 is about 44938.5430337923. The cubic root of 2019472650 is about 1263.9968508741.

The spelling of 2019472650 in words is "two billion, nineteen million, four hundred seventy-two thousand, six hundred fifty".