19473030402 has 32 divisors (see below), whose sum is σ = 44532995712. Its totient is φ = 5560821504.

The previous prime is 19473030361. The next prime is 19473030407. The reversal of 19473030402 is 20403037491.

It is not an unprimeable number, because it can be changed into a prime (19473030407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38743 + ... + 201114.

It is an arithmetic number, because the mean of its divisors is an integer number (1391656116).

Almost surely, 2^19473030402 is an apocalyptic number.

19473030402 is an abundant number, since it is smaller than the sum of its proper divisors (25059965310).

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

19473030402 is a wasteful number, since it uses less digits than its factorization.

19473030402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241802.

The product of its (nonzero) digits is 18144, while the sum is 33.

Adding to 19473030402 its reverse (20403037491), we get a palindrome (39876067893).

The spelling of 19473030402 in words is "nineteen billion, four hundred seventy-three million, thirty thousand, four hundred two".