10203404443019 has 4 divisors (see below), whose sum is σ = 10343177106696. Its totient is φ = 10063631779344.

The previous prime is 10203404442983. The next prime is 10203404443049. The reversal of 10203404443019 is 91034440430201.

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 10203404443019 - 2¹² = 10203404438923 is a prime.

It is a super-2 number, since 2×10203404443019² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10203404443019.

It is not an unprimeable number, because it can be changed into a prime (10203404443049) 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, 69886331729 + ... + 69886331874.

It is an arithmetic number, because the mean of its divisors is an integer number (2585794276674).

Almost surely, 2^{10203404443019} is an apocalyptic number.

10203404443019 is a deficient number, since it is larger than the sum of its proper divisors (139772663677).

10203404443019 is an equidigital number, since it uses as much as digits as its factorization.

10203404443019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139772663676.

The product of its (nonzero) digits is 41472, while the sum is 35.

The spelling of 10203404443019 in words is "ten trillion, two hundred three billion, four hundred four million, four hundred forty-three thousand, nineteen".