21734672284 has 48 divisors (see below), whose sum is σ = 41754515040. Its totient is φ = 9837987840.

The previous prime is 21734672279. The next prime is 21734672303. The reversal of 21734672284 is 48227643712.

It is a congruent 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, 1320264 + ... + 1336624.

It is an arithmetic number, because the mean of its divisors is an integer number (869885730).

Almost surely, 2^21734672284 is an apocalyptic number.

It is an amenable number.

21734672284 is a deficient number, since it is larger than the sum of its proper divisors (20019842756).

21734672284 is a wasteful number, since it uses less digits than its factorization.

21734672284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16870 (or 16868 counting only the distinct ones).

The product of its digits is 903168, while the sum is 46.

The spelling of 21734672284 in words is "twenty-one billion, seven hundred thirty-four million, six hundred seventy-two thousand, two hundred eighty-four".