21714154170 has 32 divisors (see below), whose sum is σ = 52299449280. Its totient is φ = 5769832320.

The previous prime is 21714154141. The next prime is 21714154177. The reversal of 21714154170 is 7145141712.

It is not an unprimeable number, because it can be changed into a prime (21714154177) by changing a digit.

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, 1279480 + ... + 1296339.

It is an arithmetic number, because the mean of its divisors is an integer number (1634357790).

Almost surely, 2^21714154170 is an apocalyptic number.

21714154170 is an abundant number, since it is smaller than the sum of its proper divisors (30585295110).

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

21714154170 is a wasteful number, since it uses less digits than its factorization.

21714154170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2576110.

The product of its (nonzero) digits is 7840, while the sum is 33.

Adding to 21714154170 its reverse (7145141712), we get a palindrome (28859295882).

The spelling of 21714154170 in words is "twenty-one billion, seven hundred fourteen million, one hundred fifty-four thousand, one hundred seventy".