21733961282 has 32 divisors (see below), whose sum is σ = 35801015040. Its totient is φ = 9813521920.

The previous prime is 21733961269. The next prime is 21733961363. The reversal of 21733961282 is 28216933712.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7188023 + ... + 7191045.

It is an arithmetic number, because the mean of its divisors is an integer number (1118781720).

Almost surely, 2^21733961282 is an apocalyptic number.

21733961282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21733961282 is a deficient number, since it is larger than the sum of its proper divisors (14067053758).

21733961282 is a wasteful number, since it uses less digits than its factorization.

21733961282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5098.

The product of its digits is 217728, while the sum is 44.

The spelling of 21733961282 in words is "twenty-one billion, seven hundred thirty-three million, nine hundred sixty-one thousand, two hundred eighty-two".