2019297904 has 40 divisors (see below), whose sum is σ = 4216674560. Its totient is φ = 931246848.

The previous prime is 2019297899. The next prime is 2019297911. The reversal of 2019297904 is 4097929102.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 329137 + ... + 335215.

It is an arithmetic number, because the mean of its divisors is an integer number (105416864).

Almost surely, 2^2019297904 is an apocalyptic number.

It is an amenable number.

2019297904 is an abundant number, since it is smaller than the sum of its proper divisors (2197376656).

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

2019297904 is a wasteful number, since it uses less digits than its factorization.

2019297904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7697 (or 7691 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 43.

The square root of 2019297904 is about 44936.5987141884. The cubic root of 2019297904 is about 1263.9603917247.

The spelling of 2019297904 in words is "two billion, nineteen million, two hundred ninety-seven thousand, nine hundred four".