10949830020389 has 4 divisors (see below), whose sum is σ = 11792124637356. Its totient is φ = 10107535403424.

The previous prime is 10949830020373. The next prime is 10949830020421. The reversal of 10949830020389 is 98302003894901.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4626908550625 + 6322921469764 = 2151025^2 + 2514542^2 .

It is a cyclic number.

It is not a de Polignac number, because 10949830020389 - 2⁴ = 10949830020373 is a prime.

It is a super-2 number, since 2×10949830020389² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10949830020319) 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, 421147308464 + ... + 421147308489.

It is an arithmetic number, because the mean of its divisors is an integer number (2948031159339).

Almost surely, 2^{10949830020389} is an apocalyptic number.

It is an amenable number.

10949830020389 is a deficient number, since it is larger than the sum of its proper divisors (842294616967).

10949830020389 is an equidigital number, since it uses as much as digits as its factorization.

10949830020389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 842294616966.

The product of its (nonzero) digits is 3359232, while the sum is 56.

The spelling of 10949830020389 in words is "ten trillion, nine hundred forty-nine billion, eight hundred thirty million, twenty thousand, three hundred eighty-nine".