21045350335 has 8 divisors (see below), whose sum is σ = 25610116896. Its totient is φ = 16599149280.

The previous prime is 21045350329. The next prime is 21045350341. The reversal of 21045350335 is 53305354012.

It is an interprime number because it is at equal distance from previous prime (21045350329) and next prime (21045350341).

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

It is not a de Polignac number, because 21045350335 - 2¹¹ = 21045348287 is a prime.

It is a super-2 number, since 2×21045350335² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 21045350297 and 21045350306.

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, 29640984 + ... + 29641693.

It is an arithmetic number, because the mean of its divisors is an integer number (3201264612).

Almost surely, 2^21045350335 is an apocalyptic number.

21045350335 is a deficient number, since it is larger than the sum of its proper divisors (4564766561).

21045350335 is an equidigital number, since it uses as much as digits as its factorization.

21045350335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59282753.

The product of its (nonzero) digits is 27000, while the sum is 31.

The spelling of 21045350335 in words is "twenty-one billion, forty-five million, three hundred fifty thousand, three hundred thirty-five".