19430430504 has 16 divisors (see below), whose sum is σ = 48576076320. Its totient is φ = 6476810160.

The previous prime is 19430430497. The next prime is 19430430583. The reversal of 19430430504 is 40503403491.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404800612 + ... + 404800659.

It is an arithmetic number, because the mean of its divisors is an integer number (3036004770).

Almost surely, 2^19430430504 is an apocalyptic number.

It is an amenable number.

19430430504 is an abundant number, since it is smaller than the sum of its proper divisors (29145645816).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19430430504 is a wasteful number, since it uses less digits than its factorization.

19430430504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 809601280 (or 809601276 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 33.

Adding to 19430430504 its reverse (40503403491), we get a palindrome (59933833995).

The spelling of 19430430504 in words is "nineteen billion, four hundred thirty million, four hundred thirty thousand, five hundred four".