21712213483 has 8 divisors (see below), whose sum is σ = 22197058560. Its totient is φ = 21228321960.

The previous prime is 21712213469. The next prime is 21712213487. The reversal of 21712213483 is 38431221712.

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 21712213483 - 2²¹ = 21710116331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21712213487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192243 + ... + 283516.

It is an arithmetic number, because the mean of its divisors is an integer number (2774632320).

Almost surely, 2^21712213483 is an apocalyptic number.

21712213483 is a deficient number, since it is larger than the sum of its proper divisors (484845077).

21712213483 is an equidigital number, since it uses as much as digits as its factorization.

21712213483 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476777.

The product of its digits is 16128, while the sum is 34.

The spelling of 21712213483 in words is "twenty-one billion, seven hundred twelve million, two hundred thirteen thousand, four hundred eighty-three".