21326383562 has 16 divisors (see below), whose sum is σ = 34903036512. Its totient is φ = 9692333520.

The previous prime is 21326383531. The next prime is 21326383583. The reversal of 21326383562 is 26538362312.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 81008 + ... + 221844.

It is an arithmetic number, because the mean of its divisors is an integer number (2181439782).

Almost surely, 2^21326383562 is an apocalyptic number.

21326383562 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21326383562 is a deficient number, since it is larger than the sum of its proper divisors (13576652950).

21326383562 is a wasteful number, since it uses less digits than its factorization.

21326383562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147733.

The product of its digits is 311040, while the sum is 41.

The spelling of 21326383562 in words is "twenty-one billion, three hundred twenty-six million, three hundred eighty-three thousand, five hundred sixty-two".