13473797472 has 96 divisors (see below), whose sum is σ = 39472272000. Its totient is φ = 4471415424.

The previous prime is 13473797459. The next prime is 13473797473. The reversal of 13473797472 is 27479737431.

13473797472 is a `hidden beast` number, since 1 + 34 + 73 + 79 + 7 + 472 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (54) 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 (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13473797473) 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, 161779 + ... + 230477.

It is an arithmetic number, because the mean of its divisors is an integer number (411169500).

Almost surely, 2^13473797472 is an apocalyptic number.

13473797472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13473797472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19736136000).

13473797472 is an abundant number, since it is smaller than the sum of its proper divisors (25998474528).

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

13473797472 is a wasteful number, since it uses less digits than its factorization.

13473797472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68945 (or 68931 counting only the distinct ones).

The product of its digits is 6223392, while the sum is 54.

The spelling of 13473797472 in words is "thirteen billion, four hundred seventy-three million, seven hundred ninety-seven thousand, four hundred seventy-two".