19530435419 has 8 divisors (see below), whose sum is σ = 21310346160. Its totient is φ = 17751260800.

The previous prime is 19530435401. The next prime is 19530435427. The reversal of 19530435419 is 91453403591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19530435419 is a prime.

It is a super-2 number, since 2×19530435419² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 19530435419.

It is not an unprimeable number, because it can be changed into a prime (19530435719) 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 in 7 ways as a sum of consecutive naturals, for example, 127802 + ... + 235359.

It is an arithmetic number, because the mean of its divisors is an integer number (2663793270).

Almost surely, 2^19530435419 is an apocalyptic number.

19530435419 is a deficient number, since it is larger than the sum of its proper divisors (1779910741).

19530435419 is a wasteful number, since it uses less digits than its factorization.

19530435419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368061.

The product of its (nonzero) digits is 291600, while the sum is 44.

The spelling of 19530435419 in words is "nineteen billion, five hundred thirty million, four hundred thirty-five thousand, four hundred nineteen".