21347584601 has 8 divisors (see below), whose sum is σ = 24398225280. Its totient is φ = 18297190368.

The previous prime is 21347584597. The next prime is 21347584633. The reversal of 21347584601 is 10648574312.

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 21347584601 - 2² = 21347584597 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21347484601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195620 + ... + 284538.

It is an arithmetic number, because the mean of its divisors is an integer number (3049778160).

Almost surely, 2^21347584601 is an apocalyptic number.

It is an amenable number.

21347584601 is a deficient number, since it is larger than the sum of its proper divisors (3050640679).

21347584601 is an equidigital number, since it uses as much as digits as its factorization.

21347584601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123223.

The product of its (nonzero) digits is 161280, while the sum is 41.

The spelling of 21347584601 in words is "twenty-one billion, three hundred forty-seven million, five hundred eighty-four thousand, six hundred one".