21602350740503 has 8 divisors (see below), whose sum is σ = 23264172357888. Its totient is φ = 19940543741664.

The previous prime is 21602350740491. The next prime is 21602350740563. The reversal of 21602350740503 is 30504705320612.

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

It is not a de Polignac number, because 21602350740503 - 2²² = 21602346546199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21602350740563) 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, 483575 + ... + 6590792.

It is an arithmetic number, because the mean of its divisors is an integer number (2908021544736).

Almost surely, 2^{21602350740503} is an apocalyptic number.

21602350740503 is a deficient number, since it is larger than the sum of its proper divisors (1661821617385).

21602350740503 is a wasteful number, since it uses less digits than its factorization.

21602350740503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7309273.

The product of its (nonzero) digits is 151200, while the sum is 38.

The spelling of 21602350740503 in words is "twenty-one trillion, six hundred two billion, three hundred fifty million, seven hundred forty thousand, five hundred three".