21282119353 has 16 divisors (see below), whose sum is σ = 23488070400. Its totient is φ = 19122048000.

The previous prime is 21282119347. The next prime is 21282119357. The reversal of 21282119353 is 35391128212.

It is a happy number.

It is not a de Polignac number, because 21282119353 - 2³³ = 12692184761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21282119357) 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 15 ways as a sum of consecutive naturals, for example, 624448 + ... + 657646.

It is an arithmetic number, because the mean of its divisors is an integer number (1468004400).

Almost surely, 2^21282119353 is an apocalyptic number.

It is an amenable number.

21282119353 is a deficient number, since it is larger than the sum of its proper divisors (2205951047).

21282119353 is a wasteful number, since it uses less digits than its factorization.

21282119353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33888.

The product of its digits is 25920, while the sum is 37.

The spelling of 21282119353 in words is "twenty-one billion, two hundred eighty-two million, one hundred nineteen thousand, three hundred fifty-three".