21035214445 has 8 divisors (see below), whose sum is σ = 28848294144. Its totient is φ = 14424147024.

The previous prime is 21035214437. The next prime is 21035214463. The reversal of 21035214445 is 54441253012.

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

It is not a de Polignac number, because 21035214445 - 2³ = 21035214437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300503029 + ... + 300503098.

It is an arithmetic number, because the mean of its divisors is an integer number (3606036768).

Almost surely, 2^21035214445 is an apocalyptic number.

It is an amenable number.

21035214445 is a deficient number, since it is larger than the sum of its proper divisors (7813079699).

21035214445 is an equidigital number, since it uses as much as digits as its factorization.

21035214445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 601006139.

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 21035214445 its reverse (54441253012), we get a palindrome (75476467457).

The spelling of 21035214445 in words is "twenty-one billion, thirty-five million, two hundred fourteen thousand, four hundred forty-five".