21736243713401 has 8 divisors (see below), whose sum is σ = 24884926507584. Its totient is φ = 18598437199440.

The previous prime is 21736243713343. The next prime is 21736243713403. The reversal of 21736243713401 is 10431734263712.

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

It is not a de Polignac number, because 21736243713401 - 2¹⁴ = 21736243697017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21736243713403) 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, 2719065770 + ... + 2719073763.

It is an arithmetic number, because the mean of its divisors is an integer number (3110615813448).

Almost surely, 2^{21736243713401} is an apocalyptic number.

It is an amenable number.

21736243713401 is a deficient number, since it is larger than the sum of its proper divisors (3148682794183).

21736243713401 is an equidigital number, since it uses as much as digits as its factorization.

21736243713401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438140111.

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 21736243713401 in words is "twenty-one trillion, seven hundred thirty-six billion, two hundred forty-three million, seven hundred thirteen thousand, four hundred one".