21962473170 has 128 divisors (see below), whose sum is σ = 58941527040. Its totient is φ = 5191361280.

The previous prime is 21962473163. The next prime is 21962473189. The reversal of 21962473170 is 7137426912.

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 63 ways as a sum of consecutive naturals, for example, 11762577 + ... + 11764443.

It is an arithmetic number, because the mean of its divisors is an integer number (460480680).

Almost surely, 2^21962473170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 21962473170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29470763520).

21962473170 is an abundant number, since it is smaller than the sum of its proper divisors (36979053870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21962473170 is a wasteful number, since it uses less digits than its factorization.

21962473170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2760.

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 21962473170 in words is "twenty-one billion, nine hundred sixty-two million, four hundred seventy-three thousand, one hundred seventy".