21700733095 has 4 divisors (see below), whose sum is σ = 26040879720. Its totient is φ = 17360586472.

The previous prime is 21700733083. The next prime is 21700733107. The reversal of 21700733095 is 59033700712.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (21700733083) and next prime (21700733107).

It is a cyclic number.

It is not a de Polignac number, because 21700733095 - 2⁹ = 21700732583 is a prime.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2170073305 + ... + 2170073314.

It is an arithmetic number, because the mean of its divisors is an integer number (6510219930).

Almost surely, 2^21700733095 is an apocalyptic number.

21700733095 is a deficient number, since it is larger than the sum of its proper divisors (4340146625).

21700733095 is an equidigital number, since it uses as much as digits as its factorization.

21700733095 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340146624.

The product of its (nonzero) digits is 39690, while the sum is 37.

The spelling of 21700733095 in words is "twenty-one billion, seven hundred million, seven hundred thirty-three thousand, ninety-five".