21030413219 has 8 divisors (see below), whose sum is σ = 21098249328. Its totient is φ = 20962609920.

The previous prime is 21030413203. The next prime is 21030413231. The reversal of 21030413219 is 91231403012.

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 21030413219 - 2⁴ = 21030413203 is a prime.

It is a super-2 number, since 2×21030413219² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21030413419) 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, 2209679 + ... + 2219175.

It is an arithmetic number, because the mean of its divisors is an integer number (2637281166).

Almost surely, 2^21030413219 is an apocalyptic number.

21030413219 is a deficient number, since it is larger than the sum of its proper divisors (67836109).

21030413219 is an equidigital number, since it uses as much as digits as its factorization.

21030413219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16405.

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 21030413219 in words is "twenty-one billion, thirty million, four hundred thirteen thousand, two hundred nineteen".