1930798469 has 2 divisors, whose sum is σ = 1930798470. Its totient is φ = 1930798468.

The previous prime is 1930798421. The next prime is 1930798481. The reversal of 1930798469 is 9648970391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1271849569 + 658948900 = 35663^2 + 25670^2 .

It is a cyclic number.

It is not a de Polignac number, because 1930798469 - 2²⁰ = 1929749893 is a prime.

It is a super-2 number, since 2×1930798469² = 7455965455785487922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1930798369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 965399234 + 965399235.

It is an arithmetic number, because the mean of its divisors is an integer number (965399235).

Almost surely, 2^1930798469 is an apocalyptic number.

It is an amenable number.

1930798469 is a deficient number, since it is larger than the sum of its proper divisors (1).

1930798469 is an equidigital number, since it uses as much as digits as its factorization.

1930798469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The square root of 1930798469 is about 43940.8519375763. The cubic root of 1930798469 is about 1245.2187416929.

The spelling of 1930798469 in words is "one billion, nine hundred thirty million, seven hundred ninety-eight thousand, four hundred sixty-nine".