2019803434 has 48 divisors (see below), whose sum is σ = 3424075200. Its totient is φ = 886152960.

The previous prime is 2019803431. The next prime is 2019803449. The reversal of 2019803434 is 4343089102.

It is a self number, because there is not a number n which added to its sum of digits gives 2019803434.

It is not an unprimeable number, because it can be changed into a prime (2019803431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5993314 + ... + 5993650.

It is an arithmetic number, because the mean of its divisors is an integer number (71334900).

Almost surely, 2^2019803434 is an apocalyptic number.

2019803434 is a deficient number, since it is larger than the sum of its proper divisors (1404271766).

2019803434 is a wasteful number, since it uses less digits than its factorization.

2019803434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623 (or 586 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 2019803434 is about 44942.2232872385. The cubic root of 2019803434 is about 1264.0658601619.

The spelling of 2019803434 in words is "two billion, nineteen million, eight hundred three thousand, four hundred thirty-four".