13484004721 has 8 divisors (see below), whose sum is σ = 15484024800. Its totient is φ = 11613018240.

The previous prime is 13484004673. The next prime is 13484004731. The reversal of 13484004721 is 12740048431.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13484004721 - 2¹⁹ = 13483480433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13484004731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32258176 + ... + 32258593.

It is an arithmetic number, because the mean of its divisors is an integer number (1935503100).

Almost surely, 2^13484004721 is an apocalyptic number.

13484004721 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13484004721 is a deficient number, since it is larger than the sum of its proper divisors (2000020079).

13484004721 is a wasteful number, since it uses less digits than its factorization.

13484004721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64516799.

The product of its (nonzero) digits is 21504, while the sum is 34.

The spelling of 13484004721 in words is "thirteen billion, four hundred eighty-four million, four thousand, seven hundred twenty-one".