21833527007 has 8 divisors (see below), whose sum is σ = 21988814496. Its totient is φ = 21678445152.

The previous prime is 21833526997. The next prime is 21833527021. The reversal of 21833527007 is 70072533812.

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

It is a cyclic number.

It is not a de Polignac number, because 21833527007 - 2¹² = 21833522911 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21833529007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164918 + ... + 266204.

It is an arithmetic number, because the mean of its divisors is an integer number (2748601812).

Almost surely, 2^21833527007 is an apocalyptic number.

21833527007 is a deficient number, since it is larger than the sum of its proper divisors (155287489).

21833527007 is a wasteful number, since it uses less digits than its factorization.

21833527007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102817.

The product of its (nonzero) digits is 70560, while the sum is 38.

The spelling of 21833527007 in words is "twenty-one billion, eight hundred thirty-three million, five hundred twenty-seven thousand, seven".