21362168283 has 16 divisors (see below), whose sum is σ = 28927266816. Its totient is φ = 14020796160.

The previous prime is 21362168251. The next prime is 21362168323. The reversal of 21362168283 is 38286126312.

It is not a de Polignac number, because 21362168283 - 2⁵ = 21362168251 is a prime.

It is a super-2 number, since 2×21362168283² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21362160283) 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, 136591 + ... + 247752.

It is an arithmetic number, because the mean of its divisors is an integer number (1807954176).

Almost surely, 2^21362168283 is an apocalyptic number.

21362168283 is a deficient number, since it is larger than the sum of its proper divisors (7565098533).

21362168283 is a wasteful number, since it uses less digits than its factorization.

21362168283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 384634.

The product of its digits is 165888, while the sum is 42.

The spelling of 21362168283 in words is "twenty-one billion, three hundred sixty-two million, one hundred sixty-eight thousand, two hundred eighty-three".