21314475706 has 16 divisors (see below), whose sum is σ = 32063931648. Its totient is φ = 10626520000.

The previous prime is 21314475691. The next prime is 21314475811. The reversal of 21314475706 is 60757441312.

It is an unprimeable number.

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, 3768981 + ... + 3774631.

It is an arithmetic number, because the mean of its divisors is an integer number (2003995728).

Almost surely, 2^21314475706 is an apocalyptic number.

21314475706 is a deficient number, since it is larger than the sum of its proper divisors (10749455942).

21314475706 is a wasteful number, since it uses less digits than its factorization.

21314475706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10757.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 21314475706 in words is "twenty-one billion, three hundred fourteen million, four hundred seventy-five thousand, seven hundred six".