21852282934 has 16 divisors (see below), whose sum is σ = 34209257472. Its totient is φ = 10449355048.

The previous prime is 21852282923. The next prime is 21852282989. The reversal of 21852282934 is 43928225812.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265707 + ... + 338089.

It is an arithmetic number, because the mean of its divisors is an integer number (2138078592).

Almost surely, 2^21852282934 is an apocalyptic number.

21852282934 is a deficient number, since it is larger than the sum of its proper divisors (12356974538).

21852282934 is a wasteful number, since it uses less digits than its factorization.

21852282934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78971.

The product of its digits is 552960, while the sum is 46.

The spelling of 21852282934 in words is "twenty-one billion, eight hundred fifty-two million, two hundred eighty-two thousand, nine hundred thirty-four".