10820761489 has 4 divisors (see below), whose sum is σ = 10823468656. Its totient is φ = 10818054324.

The previous prime is 10820761453. The next prime is 10820761519. The reversal of 10820761489 is 98416702801.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98416702801 = 45161 ⋅2179241.

It is a cyclic number.

It is not a de Polignac number, because 10820761489 - 2⁷ = 10820761361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10820761429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1347579 + ... + 1355584.

It is an arithmetic number, because the mean of its divisors is an integer number (2705867164).

Almost surely, 2^10820761489 is an apocalyptic number.

It is an amenable number.

10820761489 is a deficient number, since it is larger than the sum of its proper divisors (2707167).

10820761489 is an equidigital number, since it uses as much as digits as its factorization.

10820761489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2707166.

The product of its (nonzero) digits is 193536, while the sum is 46.

The spelling of 10820761489 in words is "ten billion, eight hundred twenty million, seven hundred sixty-one thousand, four hundred eighty-nine".