21935184382 has 8 divisors (see below), whose sum is σ = 32907225456. Its totient is φ = 10966109232.

The previous prime is 21935184379. The next prime is 21935184437. The reversal of 21935184382 is 28348153912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 722898 + ... + 752629.

It is an arithmetic number, because the mean of its divisors is an integer number (4113403182).

Almost surely, 2^21935184382 is an apocalyptic number.

21935184382 is a deficient number, since it is larger than the sum of its proper divisors (10972041074).

21935184382 is a wasteful number, since it uses less digits than its factorization.

21935184382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482962.

The product of its digits is 414720, while the sum is 46.

The spelling of 21935184382 in words is "twenty-one billion, nine hundred thirty-five million, one hundred eighty-four thousand, three hundred eighty-two".