210030100019 has 4 divisors (see below), whose sum is σ = 212688708960. Its totient is φ = 207371491080.

The previous prime is 210030100013. The next prime is 210030100087. The reversal of 210030100019 is 910001030012.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 210030100019 - 2⁴ = 210030100003 is a prime.

It is a super-2 number, since 2×210030100019² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210030100013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329304352 + ... + 1329304509.

It is an arithmetic number, because the mean of its divisors is an integer number (53172177240).

Almost surely, 2^210030100019 is an apocalyptic number.

210030100019 is a deficient number, since it is larger than the sum of its proper divisors (2658608941).

210030100019 is an equidigital number, since it uses as much as digits as its factorization.

210030100019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2658608940.

The product of its (nonzero) digits is 54, while the sum is 17.

The spelling of 210030100019 in words is "two hundred ten billion, thirty million, one hundred thousand, nineteen".