21485830235 has 16 divisors (see below), whose sum is σ = 25851588480. Its totient is φ = 17143002240.

The previous prime is 21485830183. The next prime is 21485830237. The reversal of 21485830235 is 53203858412.

It is not a de Polignac number, because 21485830235 - 2⁸ = 21485829979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21485830192 and 21485830201.

It is not an unprimeable number, because it can be changed into a prime (21485830237) 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, 3226169 + ... + 3232821.

It is an arithmetic number, because the mean of its divisors is an integer number (1615724280).

Almost surely, 2^21485830235 is an apocalyptic number.

21485830235 is a deficient number, since it is larger than the sum of its proper divisors (4365758245).

21485830235 is an equidigital number, since it uses as much as digits as its factorization.

21485830235 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8278.

The product of its (nonzero) digits is 230400, while the sum is 41.

The spelling of 21485830235 in words is "twenty-one billion, four hundred eighty-five million, eight hundred thirty thousand, two hundred thirty-five".