21479570314 has 8 divisors (see below), whose sum is σ = 32222973888. Its totient is φ = 10738579020.

The previous prime is 21479570311. The next prime is 21479570339. The reversal of 21479570314 is 41307597412.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21479570314² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21479570311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580642 + ... + 616525.

It is an arithmetic number, because the mean of its divisors is an integer number (4027871736).

Almost surely, 2^21479570314 is an apocalyptic number.

21479570314 is a deficient number, since it is larger than the sum of its proper divisors (10743403574).

21479570314 is a wasteful number, since it uses less digits than its factorization.

21479570314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206140.

The product of its (nonzero) digits is 211680, while the sum is 43.

The spelling of 21479570314 in words is "twenty-one billion, four hundred seventy-nine million, five hundred seventy thousand, three hundred fourteen".