21234175294 has 8 divisors (see below), whose sum is σ = 31856160960. Its totient is φ = 10615454976.

The previous prime is 21234175189. The next prime is 21234175321. The reversal of 21234175294 is 49257143212.

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, 800014 + ... + 826129.

It is an arithmetic number, because the mean of its divisors is an integer number (3982020120).

Almost surely, 2^21234175294 is an apocalyptic number.

21234175294 is a deficient number, since it is larger than the sum of its proper divisors (10621985666).

21234175294 is a wasteful number, since it uses less digits than its factorization.

21234175294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1632674.

The product of its digits is 120960, while the sum is 40.

The spelling of 21234175294 in words is "twenty-one billion, two hundred thirty-four million, one hundred seventy-five thousand, two hundred ninety-four".