21045341059 has 8 divisors (see below), whose sum is σ = 21080777648. Its totient is φ = 21009935520.

The previous prime is 21045341027. The next prime is 21045341081. The reversal of 21045341059 is 95014354012.

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

It is a cyclic number.

It is not a de Polignac number, because 21045341059 - 2⁵ = 21045341027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21045341099) 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, 1624084 + ... + 1636990.

It is an arithmetic number, because the mean of its divisors is an integer number (2635097206).

Almost surely, 2^21045341059 is an apocalyptic number.

21045341059 is a deficient number, since it is larger than the sum of its proper divisors (35436589).

21045341059 is a wasteful number, since it uses less digits than its factorization.

21045341059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15525.

The product of its (nonzero) digits is 21600, while the sum is 34.

The spelling of 21045341059 in words is "twenty-one billion, forty-five million, three hundred forty-one thousand, fifty-nine".