19380469 has 2 divisors, whose sum is σ = 19380470. Its totient is φ = 19380468.

The previous prime is 19380461. The next prime is 19380511. The reversal of 19380469 is 96408391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17724100 + 1656369 = 4210^2 + 1287^2 .

It is a cyclic number.

It is not a de Polignac number, because 19380469 - 2³ = 19380461 is a prime.

It is a super-2 number, since 2×19380469² = 751205157319922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19380461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9690234 + 9690235.

It is an arithmetic number, because the mean of its divisors is an integer number (9690235).

Almost surely, 2^19380469 is an apocalyptic number.

It is an amenable number.

19380469 is a deficient number, since it is larger than the sum of its proper divisors (1).

19380469 is an equidigital number, since it uses as much as digits as its factorization.

19380469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 19380469 is about 4402.3254082360. The cubic root of 19380469 is about 268.6095365502.

The spelling of 19380469 in words is "nineteen million, three hundred eighty thousand, four hundred sixty-nine".