10489319890 has 32 divisors (see below), whose sum is σ = 21747953664. Its totient is φ = 3568017600.

The previous prime is 10489319761. The next prime is 10489319899. The reversal of 10489319890 is 9891398401.

10489319890 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×10489319890² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (52) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (10489319899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 581061 + ... + 598840.

It is an arithmetic number, because the mean of its divisors is an integer number (679623552).

Almost surely, 2^10489319890 is an apocalyptic number.

10489319890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10489319890 is an abundant number, since it is smaller than the sum of its proper divisors (11258633774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10489319890 is a wasteful number, since it uses less digits than its factorization.

10489319890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180042.

The product of its (nonzero) digits is 559872, while the sum is 52.

The spelling of 10489319890 in words is "ten billion, four hundred eighty-nine million, three hundred nineteen thousand, eight hundred ninety".