21069483 has 8 divisors (see below), whose sum is σ = 28279296. Its totient is φ = 13953000.

The previous prime is 21069439. The next prime is 21069487. The reversal of 21069483 is 38496012.

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

It is not a de Polignac number, because 21069483 - 2¹⁴ = 21053099 is a prime.

It is a super-2 number, since 2×21069483² = 887846227774578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21069487) 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, 22803 + ... + 23708.

It is an arithmetic number, because the mean of its divisors is an integer number (3534912).

Almost surely, 2^21069483 is an apocalyptic number.

21069483 is a deficient number, since it is larger than the sum of its proper divisors (7209813).

21069483 is a wasteful number, since it uses less digits than its factorization.

21069483 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46665.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 21069483 is about 4590.1506511225. The cubic root of 21069483 is about 276.1963657196.

The spelling of 21069483 in words is "twenty-one million, sixty-nine thousand, four hundred eighty-three".