21060894003 has 8 divisors (see below), whose sum is σ = 28359224016. Its totient is φ = 13901580000.

The previous prime is 21060893951. The next prime is 21060894007. The reversal of 21060894003 is 30049806012.

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

It is not a de Polignac number, because 21060894003 - 2²⁶ = 20993785139 is a prime.

It is a super-2 number, since 2×21060894003² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21060894007) 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, 34753648 + ... + 34754253.

It is an arithmetic number, because the mean of its divisors is an integer number (3544903002).

Almost surely, 2^21060894003 is an apocalyptic number.

21060894003 is a deficient number, since it is larger than the sum of its proper divisors (7298330013).

21060894003 is a wasteful number, since it uses less digits than its factorization.

21060894003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69508005.

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

The spelling of 21060894003 in words is "twenty-one billion, sixty million, eight hundred ninety-four thousand, three".