21464105170 has 16 divisors (see below), whose sum is σ = 38695487040. Its totient is φ = 8572287024.

The previous prime is 21464105167. The next prime is 21464105171. The reversal of 21464105170 is 7150146412.

It is not an unprimeable number, because it can be changed into a prime (21464105171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1662630 + ... + 1675489.

It is an arithmetic number, because the mean of its divisors is an integer number (2418467940).

Almost surely, 2^21464105170 is an apocalyptic number.

21464105170 is a deficient number, since it is larger than the sum of its proper divisors (17231381870).

21464105170 is a wasteful number, since it uses less digits than its factorization.

21464105170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338769.

The product of its (nonzero) digits is 6720, while the sum is 31.

The spelling of 21464105170 in words is "twenty-one billion, four hundred sixty-four million, one hundred five thousand, one hundred seventy".