21114535353 has 4 divisors (see below), whose sum is σ = 28152713808. Its totient is φ = 14076356900.

The previous prime is 21114535349. The next prime is 21114535369. The reversal of 21114535353 is 35353541112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 21114535353 - 2² = 21114535349 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21114535153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3519089223 + ... + 3519089228.

It is an arithmetic number, because the mean of its divisors is an integer number (7038178452).

Almost surely, 2^21114535353 is an apocalyptic number.

It is an amenable number.

21114535353 is a deficient number, since it is larger than the sum of its proper divisors (7038178455).

21114535353 is an equidigital number, since it uses as much as digits as its factorization.

21114535353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7038178454.

The product of its digits is 27000, while the sum is 33.

The spelling of 21114535353 in words is "twenty-one billion, one hundred fourteen million, five hundred thirty-five thousand, three hundred fifty-three".