21007483514 has 8 divisors (see below), whose sum is σ = 31513332180. Its totient is φ = 10503039456.

The previous prime is 21007483501. The next prime is 21007483571. The reversal of 21007483514 is 41538470012.

It can be written as a sum of positive squares in 2 ways, for example, as 20737440025 + 270043489 = 144005^2 + 16433^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312929 + ... + 374084.

Almost surely, 2^21007483514 is an apocalyptic number.

21007483514 is a deficient number, since it is larger than the sum of its proper divisors (10505848666).

21007483514 is a wasteful number, since it uses less digits than its factorization.

21007483514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702304.

The product of its (nonzero) digits is 26880, while the sum is 35.

The spelling of 21007483514 in words is "twenty-one billion, seven million, four hundred eighty-three thousand, five hundred fourteen".