21710473174 has 32 divisors (see below), whose sum is σ = 36293624640. Its totient is φ = 9671088000.

The previous prime is 21710473151. The next prime is 21710473219. The reversal of 21710473174 is 47137401712.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4031964 + ... + 4037344.

It is an arithmetic number, because the mean of its divisors is an integer number (1134175770).

Almost surely, 2^21710473174 is an apocalyptic number.

21710473174 is a deficient number, since it is larger than the sum of its proper divisors (14583151466).

21710473174 is a wasteful number, since it uses less digits than its factorization.

21710473174 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10776.

The product of its (nonzero) digits is 32928, while the sum is 37.

Adding to 21710473174 its reverse (47137401712), we get a palindrome (68847874886).

The spelling of 21710473174 in words is "twenty-one billion, seven hundred ten million, four hundred seventy-three thousand, one hundred seventy-four".