2019470797 has 4 divisors (see below), whose sum is σ = 2019740800. Its totient is φ = 2019200796.

The previous prime is 2019470779. The next prime is 2019470833. The reversal of 2019470797 is 7970749102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2019470797 - 2¹¹ = 2019468749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2019470707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123453 + ... + 138850.

It is an arithmetic number, because the mean of its divisors is an integer number (504935200).

Almost surely, 2^2019470797 is an apocalyptic number.

It is an amenable number.

2019470797 is a deficient number, since it is larger than the sum of its proper divisors (270003).

2019470797 is an equidigital number, since it uses as much as digits as its factorization.

2019470797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270002.

The product of its (nonzero) digits is 222264, while the sum is 46.

The square root of 2019470797 is about 44938.5224167417. The cubic root of 2019470797 is about 1263.9964642737.

The spelling of 2019470797 in words is "two billion, nineteen million, four hundred seventy thousand, seven hundred ninety-seven".