19470104136 has 320 divisors, whose sum is σ = 64033200000. Its totient is φ = 5524848000.

The previous prime is 19470104089. The next prime is 19470104153. The reversal of 19470104136 is 63140107491.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 19470104136.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 55788090 + ... + 55788438.

It is an arithmetic number, because the mean of its divisors is an integer number (200103750).

Almost surely, 2^19470104136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19470104136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32016600000).

19470104136 is an abundant number, since it is smaller than the sum of its proper divisors (44563095864).

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

19470104136 is a wasteful number, since it uses less digits than its factorization.

19470104136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639 (or 612 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The spelling of 19470104136 in words is "nineteen billion, four hundred seventy million, one hundred four thousand, one hundred thirty-six".