2019140797 has 2 divisors, whose sum is σ = 2019140798. Its totient is φ = 2019140796.

The previous prime is 2019140791. The next prime is 2019140819. The reversal of 2019140797 is 7970419102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1834751556 + 184389241 = 42834^2 + 13579^2 .

It is a cyclic number.

It is not a de Polignac number, because 2019140797 - 2²⁷ = 1884923069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2019140791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009570398 + 1009570399.

It is an arithmetic number, because the mean of its divisors is an integer number (1009570399).

Almost surely, 2^2019140797 is an apocalyptic number.

It is an amenable number.

2019140797 is a deficient number, since it is larger than the sum of its proper divisors (1).

2019140797 is an equidigital number, since it uses as much as digits as its factorization.

2019140797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 2019140797 is about 44934.8505839287. The cubic root of 2019140797 is about 1263.9276109952.

Adding to 2019140797 its reverse (7970419102), we get a palindrome (9989559899).

The spelling of 2019140797 in words is "two billion, nineteen million, one hundred forty thousand, seven hundred ninety-seven".