21174366334 has 16 divisors (see below), whose sum is σ = 34709034096. Its totient is φ = 9608025600.

The previous prime is 21174366331. The next prime is 21174366361. The reversal of 21174366334 is 43366347112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21174366331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821337 + ... + 846724.

It is an arithmetic number, because the mean of its divisors is an integer number (2169314631).

Almost surely, 2^21174366334 is an apocalyptic number.

21174366334 is a deficient number, since it is larger than the sum of its proper divisors (13534667762).

21174366334 is a wasteful number, since it uses less digits than its factorization.

21174366334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668651.

The product of its digits is 217728, while the sum is 40.

The spelling of 21174366334 in words is "twenty-one billion, one hundred seventy-four million, three hundred sixty-six thousand, three hundred thirty-four".