2397929819 has 2 divisors, whose sum is σ = 2397929820. Its totient is φ = 2397929818.

The previous prime is 2397929773. The next prime is 2397929867. The reversal of 2397929819 is 9189297932.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2397929819 - 2²⁰ = 2396881243 is a prime.

It is a super-2 number, since 2×2397929819² = 11500134833698745522, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (2397929899) 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, 1198964909 + 1198964910.

It is an arithmetic number, because the mean of its divisors is an integer number (1198964910).

Almost surely, 2^2397929819 is an apocalyptic number.

2397929819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2397929819 is an equidigital number, since it uses as much as digits as its factorization.

2397929819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4408992, while the sum is 59.

The square root of 2397929819 is about 48968.6616010689. The cubic root of 2397929819 is about 1338.4808318224.

The spelling of 2397929819 in words is "two billion, three hundred ninety-seven million, nine hundred twenty-nine thousand, eight hundred nineteen".